diff --git a/CMakeLists.txt b/CMakeLists.txt
index 26247998926..43764ded4c3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -357,7 +357,6 @@ if( APPLE )
       )
 
   set(SURGE_OS_GUI_SOURCES
-    src/mac/UserInteractionsMac.mm
     )
 
   set(OS_INCLUDE_DIRECTORIES
@@ -394,7 +393,6 @@ if( APPLE )
 
 elseif( UNIX AND NOT APPLE )
   set(SURGE_OS_GUI_SOURCES
-    src/linux/UserInteractionsLinux.cpp
     )
 
   find_package(PkgConfig REQUIRED)
@@ -469,7 +467,6 @@ elseif( UNIX AND NOT APPLE )
 elseif( WIN32 )
 
   set(SURGE_OS_GUI_SOURCES
-    src/windows/UserInteractionsWin.cpp
   )
 
   set(OS_COMPILE_DEFINITIONS
@@ -562,7 +559,6 @@ if( BUILD_HEADLESS )
     ${SURGE_OS_SOURCES}
     ${SURGE_GENERATED_SOURCES}
     src/headless/main.cpp
-    src/headless/UserInteractionsHeadless.cpp
     src/headless/LinkFixesHeadless.cpp
     src/headless/HeadlessUtils.cpp
     src/headless/Player.cpp
@@ -678,13 +674,6 @@ file(MAKE_DIRECTORY ${SURGE_PRODUCT_DIR})
 add_custom_target(surge-staged-assets)
 
 if( BUILD_SURGE_EFFECTS_BANK )
-  # LinkOrder on Linux matters so make a little lib which contains UIJUCE so I can link
-  # it AFTER surge-shared (since the libs come after the source in the JUCE build of course)
-  # FIXME of course that this should go away in surge-xt. These are also split now for
-  # XT vs FX since FX is production code in 19 and XT is not
-  add_library(surge-juce-userint-fx src/surge_effects_bank/UserInteractionsJUCE.cpp )
-  target_include_directories(surge-juce-userint-fx PRIVATE ${SURGE_COMMON_INCLUDES})
-
   juce_add_plugin(surge-fx
           PRODUCT_NAME "Surge XT Effects"
           COMPANY_NAME "Surge Synth Team"
@@ -759,7 +748,6 @@ if( BUILD_SURGE_EFFECTS_BANK )
           surge::tinyxml
 
           surge-shared
-          surge-juce-userint-fx
           surge-fx-binary
 
           juce::juce_audio_utils
@@ -878,11 +866,6 @@ if( BUILD_SURGE_XT )
       )
   endif()
 
-  # LinkOrder on Linux matters so make a little lib which contains UIJUCE so I can link
-  # it AFTER surge-shared (since the libs come after the source in the JUCE build of course)
-  add_library(surge-xt-userint src/surge_synth_juce/UserInteractionsJUCE_Synth_XT.cpp)
-  target_include_directories(surge-xt-userint PRIVATE ${SURGE_COMMON_INCLUDES})
-
   set(SURGE_SYNTH_JUCE_GUI_SOURCES
          ${SURGE_GUI_SOURCES}
           )
@@ -928,7 +911,6 @@ if( BUILD_SURGE_XT )
           surge::tinyxml
 
           surge-shared
-          surge-xt-userint
 
           juce::juce_audio_utils
           juce::juce_audio_processors
@@ -1046,7 +1028,6 @@ if( ${BUILD_SURGE_PYTHON_BINDINGS} )
 
           ${PYSRCD}/surgepy.cpp
           src/headless/HeadlessUtils.cpp
-          src/headless/UserInteractionsHeadless.cpp
           )
 
   target_compile_definitions(surgepy
diff --git a/src/common/PatchDB.cpp b/src/common/PatchDB.cpp
index cb9cd95a2fe..917b9899cab 100644
--- a/src/common/PatchDB.cpp
+++ b/src/common/PatchDB.cpp
@@ -17,7 +17,6 @@
 
 #include "sqlite3.h"
 #include "SurgeStorage.h"
-#include "UserInteractions.h"
 #include <sstream>
 #include <iterator>
 #include "vt_dsp_endian.h"
@@ -70,7 +69,7 @@ CREATE TABLE PatchFeature (
             std::ostringstream oss;
             oss << "An error occured opening sqlite file '" << dbname << "'. The error was '"
                 << sqlite3_errmsg(dbh) << "'.";
-            Surge::UserInteractions::promptError(oss.str(), "Surge Patch Database Error");
+            storage->reportError(oss.str(), "Surge Patch Database Error");
             dbh = nullptr;
         }
         char *emsg;
diff --git a/src/common/SurgePatch.cpp b/src/common/SurgePatch.cpp
index a443a503679..272ec76737e 100644
--- a/src/common/SurgePatch.cpp
+++ b/src/common/SurgePatch.cpp
@@ -23,7 +23,6 @@
 #include "DebugHelpers.h"
 #include "StringOps.h"
 #include "SkinModel.h"
-#include "UserInteractions.h"
 #include "UserDefaults.h"
 #include "version.h"
 
@@ -1109,7 +1108,7 @@ void SurgePatch::load_xml(const void *data, int datasize, bool is_preset)
             << ". Features of the patch will not be available in your "
             << "session. You can always find the latest Surge at "
                "https://surge-synthesizer.github.io/";
-        Surge::UserInteractions::promptError(oss.str(), "Surge Patch Version Mismatch");
+        storage->reportError(oss.str(), "Surge Patch Version Mismatch");
     }
 
     TiXmlElement *meta = TINYXML_SAFE_TO_ELEMENT(patch->FirstChild("meta"));
diff --git a/src/common/SurgeStorage.cpp b/src/common/SurgeStorage.cpp
index abe2a296cb6..46b61fef624 100644
--- a/src/common/SurgeStorage.cpp
+++ b/src/common/SurgeStorage.cpp
@@ -15,7 +15,6 @@
 
 #include "DspUtilities.h"
 #include "SurgeStorage.h"
-#include "UserInteractions.h"
 #include <set>
 #include <numeric>
 #include <cctype>
@@ -450,7 +449,7 @@ SurgeStorage::SurgeStorage(std::string suppliedDataPath) : otherscene_clients(0)
 
     if (!snapshotloader.LoadFile(snapshotmenupath)) // load snapshots (& config-stuff)
     {
-        Surge::UserInteractions::promptError("Cannot find 'configuration.xml' in path '" +
+        reportError("Cannot find 'configuration.xml' in path '" +
                                                  datapath + "'. Please reinstall surge.",
                                              "Surge is not properly installed.");
     }
@@ -462,9 +461,9 @@ SurgeStorage::SurgeStorage(std::string suppliedDataPath) : otherscene_clients(0)
         "\n";
     if (!snapshotloader.Parse(cxmlData.c_str()))
     {
-        Surge::UserInteractions::promptError("Cannot parse 'configuration.xml' in path '" +
-                                                 datapath + "'. Please reinstall surge.",
-                                             "Surge is not properly installed.");
+        reportError("Cannot parse 'configuration.xml' in path '" + datapath +
+                        "'. Please reinstall surge.",
+                    "Surge is not properly installed.");
     }
 
     load_midi_controllers();
@@ -494,7 +493,7 @@ SurgeStorage::SurgeStorage(std::string suppliedDataPath) : otherscene_clients(0)
         oss << "Unable to load 'windows.wt'. from memory. "
             << "This is a usually fatal internal software error in Surge XT which should"
             << " never occur!";
-        Surge::UserInteractions::promptError(oss.str(), "Surge Resources Loading Error");
+        reportError(oss.str(), "Surge Resources Loading Error");
     }
 
     // Tunings Library Support
@@ -529,7 +528,7 @@ SurgeStorage::SurgeStorage(std::string suppliedDataPath) : otherscene_clients(0)
             TiXmlElement *pdoc = TINYXML_SAFE_TO_ELEMENT(doc.FirstChild("param-doc"));
             if (!pdoc)
             {
-                Surge::UserInteractions::promptError(
+                reportError(
                     "Unknown top element in paramdocumentation.xml - not a parameter documentation "
                     "XML file!",
                     "Error");
@@ -778,7 +777,7 @@ void SurgeStorage::refreshPatchOrWTListAddDir(bool userDir, string subdir,
     {
         std::ostringstream oss;
         oss << "Experienced file system error when building patches. " << e.what();
-        Surge::UserInteractions::promptError(oss.str(), "FileSystem Error");
+        reportError(oss.str(), "FileSystem Error");
     }
 
     /*
@@ -872,7 +871,7 @@ void SurgeStorage::refresh_wtlist()
         std::ostringstream ss;
         ss << "Surge was unable to load wavetables from '" << datapath
            << "'. Please reinstall Surge!";
-        Surge::UserInteractions::promptError(ss.str(), "Surge Installation Error");
+        reportError(ss.str(), "Surge Installation Error");
     }
 
     firstThirdPartyWTCategory = wt_category.size();
@@ -1031,7 +1030,7 @@ void SurgeStorage::load_wt(string filename, Wavetable *wt, OscillatorStorage *os
         std::ostringstream oss;
         oss << "Unable to load file with extension " << extension
             << "! Surge only supports .wav and .wt wavetable files!";
-        Surge::UserInteractions::promptError(oss.str(), "Error");
+        reportError(oss.str(), "Error");
     }
 
     if (osc && loaded)
@@ -1092,7 +1091,7 @@ bool SurgeStorage::load_wt_wt(string filename, Wavetable *wt)
             << " If you would like, please attach the wavetable which caused this message to a new "
                "GitHub issue at "
             << " https://github.com/surge-synthesizer/surge/";
-        Surge::UserInteractions::promptError(oss.str(), "Wavetable Loading Error");
+        reportError(oss.str(), "Wavetable Loading Error");
     }
     return wasBuilt;
 }
@@ -1145,7 +1144,7 @@ bool SurgeStorage::load_wt_wt_mem(const char *data, size_t dataSize, Wavetable *
             << " If you would like, please attach the wavetable which caused this message to a new "
                "GitHub issue at "
             << " https://github.com/surge-synthesizer/surge/";
-        Surge::UserInteractions::promptError(oss.str(), "Wavetable Loading Error");
+        reportError(oss.str(), "Wavetable Loading Error");
     }
     return wasBuilt;
 }
@@ -1884,7 +1883,7 @@ void SurgeStorage::rescanUserMidiMappings()
     {
         std::ostringstream oss;
         oss << "Experienced file system error when loading MIDI settings. " << e.what();
-        Surge::UserInteractions::promptError(oss.str(), "FileSystem Error");
+        reportError(oss.str(), "FileSystem Error");
     }
 }
 
@@ -1902,8 +1901,8 @@ void SurgeStorage::loadMidiMappingByName(std::string name)
     if (!sm)
     {
         // Invalid XML Document. Show an error?
-        Surge::UserInteractions::promptError(
-            "Unable to locate surge-midi element in XML. Not a valid MIDI mapping!", "Surge MIDI");
+        reportError("Unable to locate surge-midi element in XML. Not a valid MIDI mapping!",
+                    "Surge MIDI");
         return;
     }
 
@@ -1995,7 +1994,7 @@ void SurgeStorage::storeMidiMappingToName(std::string name)
     {
         std::ostringstream oss;
         oss << "Unable to save MIDI settings to '" << fn << "'!";
-        Surge::UserInteractions::promptError(oss.str(), "Error");
+        reportError(oss.str(), "Error");
     }
 }
 
@@ -2049,6 +2048,19 @@ void SurgeStorage::toggleTuningToCache()
     }
 }
 
+void SurgeStorage::reportError(const std::string &msg, const std::string &title)
+{
+    std::cout << "Surge Error [" << title << "]\n" << msg << std::endl;
+    if (errorListeners.empty())
+    {
+        std::lock_guard<std::mutex> g(preListenerErrorMutex);
+        preListenerErrors.emplace_back(msg, title);
+    }
+
+    for (auto l : errorListeners)
+        l->onSurgeError(msg, title);
+}
+
 namespace Surge
 {
 namespace Storage
diff --git a/src/common/SurgeStorage.h b/src/common/SurgeStorage.h
index 331ae35b63d..cb8b1acf363 100644
--- a/src/common/SurgeStorage.h
+++ b/src/common/SurgeStorage.h
@@ -38,6 +38,7 @@
 
 #include "Tunings.h"
 #include "PatchDB.h"
+#include <unordered_set>
 
 #if WINDOWS
 #define PATH_SEPARATOR '\\'
@@ -867,6 +868,43 @@ class alignas(16) SurgeStorage
 
     SurgeStorage(std::string suppliedDataPath = "");
 
+    // With XT surgestorage can now keep a cache of errors it reports to the user
+    void reportError(const std::string &msg, const std::string &title);
+    struct ErrorListener
+    {
+        // This can be called from any thread. Beware. But it is called only
+        // when an error occurs so if you want to be sloppy and just lock thats OK
+        virtual void onSurgeError(const std::string &msg, const std::string &title) = 0;
+    };
+    std::unordered_set<ErrorListener *> errorListeners;
+    std::mutex preListenerErrorMutex; // this mutex is ONLY locked in the error path and
+    // when registering a listener (from the UI thread)
+    std::vector<std::pair<std::string, std::string>> preListenerErrors;
+    void addErrorListener(ErrorListener *l)
+    {
+        errorListeners.insert(l);
+        std::lock_guard<std::mutex> g(preListenerErrorMutex);
+        for (auto p : preListenerErrors)
+            l->onSurgeError(p.first, p.second);
+        preListenerErrors.clear();
+    }
+    void removeErrorListener(ErrorListener *l) { errorListeners.erase(l); }
+
+    enum OkCancel
+    {
+        OK,
+        CANCEL
+    };
+    std::function<OkCancel(const std::string &msg, const std::string &title, OkCancel def)>
+        okCancelProvider =
+            [](const std::string &, const std::string &, OkCancel def) { return def; };
+    void clearOkCancelProvider()
+    {
+        okCancelProvider = [](const std::string &, const std::string &, OkCancel def) {
+            return def;
+        };
+    }
+
     static constexpr int tuning_table_size = 512;
     float table_pitch alignas(16)[tuning_table_size];
     float table_pitch_inv alignas(16)[tuning_table_size];
@@ -920,7 +958,7 @@ class alignas(16) SurgeStorage
     bool load_wt_wt_mem(const char *data, const size_t dataSize, Wavetable *wt);
     // void load_wt_wav(std::string filename, Wavetable* wt);
     bool load_wt_wav_portable(std::string filename, Wavetable *wt);
-    void export_wt_wav_portable(std::string fbase, Wavetable *wt);
+    std::string export_wt_wav_portable(std::string fbase, Wavetable *wt);
     void clipboard_copy(int type, int scene, int entry);
     void clipboard_paste(int type, int scene, int entry);
     int get_clipboard_type();
diff --git a/src/common/SurgeSynthesizer.cpp b/src/common/SurgeSynthesizer.cpp
index 675372ce3d0..cc20c91cc8a 100644
--- a/src/common/SurgeSynthesizer.cpp
+++ b/src/common/SurgeSynthesizer.cpp
@@ -3853,7 +3853,7 @@ void SurgeSynthesizer::loadFromDawExtraState()
         }
         catch (Tunings::TuningError &e)
         {
-            Surge::UserInteractions::promptError(e.what(), "Unable to restore tuning!");
+            storage.reportError(e.what(), "Unable to restore tuning!");
             storage.retuneTo12TETScale();
         }
     }
@@ -3879,7 +3879,7 @@ void SurgeSynthesizer::loadFromDawExtraState()
         }
         catch (Tunings::TuningError &e)
         {
-            Surge::UserInteractions::promptError(e.what(), "Unable to restore mapping!");
+            storage.reportError(e.what(), "Unable to restore mapping!");
             storage.remapToConcertCKeyboard();
         }
     }
diff --git a/src/common/SurgeSynthesizer.h b/src/common/SurgeSynthesizer.h
index 0bc5246fc12..3038961a9bb 100644
--- a/src/common/SurgeSynthesizer.h
+++ b/src/common/SurgeSynthesizer.h
@@ -18,7 +18,6 @@
 #include "SurgeVoice.h"
 #include "effect/Effect.h"
 #include "BiquadFilter.h"
-#include "UserInteractions.h"
 
 struct QuadFilterChainState;
 
diff --git a/src/common/SurgeSynthesizerIO.cpp b/src/common/SurgeSynthesizerIO.cpp
index 6714f258d23..77c859d5906 100644
--- a/src/common/SurgeSynthesizerIO.cpp
+++ b/src/common/SurgeSynthesizerIO.cpp
@@ -23,15 +23,6 @@
 #include <algorithm>
 #include <fstream>
 #include <iterator>
-#include "UserInteractions.h"
-
-#if TARGET_AUDIOUNIT
-#include "aulayer.h"
-#endif
-
-#if AU
-#include "aulayer.h"
-#endif
 
 using namespace std;
 
@@ -249,7 +240,7 @@ bool SurgeSynthesizer::loadPatchByPath(const char *fxpPath, int categoryId, cons
         //}
         oss << "This error usually occurs when you attempt to load an .fxp that belongs to another "
                "plugin into Surge.";
-        Surge::UserInteractions::promptError(oss.str(), "Unknown FXP File");
+        storage.reportError(oss.str(), "Unknown FXP File");
         return false;
     }
 
@@ -309,20 +300,20 @@ bool SurgeSynthesizer::loadPatchByPath(const char *fxpPath, int categoryId, cons
             }
             catch (Tunings::TuningError &e)
             {
-                Surge::UserInteractions::promptError(e.what(), "Error restoring tuning!");
+                storage.reportError(e.what(), "Error restoring tuning!");
                 storage.retuneTo12TETScaleC261Mapping();
             }
         }
         else
         {
-            auto okc = Surge::UserInteractions::promptOKCancel(
+            auto okc = storage.okCancelProvider(
                 std::string("Loaded patch contains a custom tuning, but there is ") +
                     "already a user-selected tuning in place. Do you want to replace the currently "
                     "loaded tuning " +
                     "with the tuning stored in the patch? (The rest of the patch will load "
                     "normally.)",
-                "Replace Tuning");
-            if (okc == Surge::UserInteractions::MessageResult::OK)
+                "Replace Tuning", SurgeStorage::CANCEL);
+            if (okc == SurgeStorage::OK)
             {
                 try
                 {
@@ -352,7 +343,7 @@ bool SurgeSynthesizer::loadPatchByPath(const char *fxpPath, int categoryId, cons
                 }
                 catch (Tunings::TuningError &e)
                 {
-                    Surge::UserInteractions::promptError(e.what(), "Error Restoring Tuning");
+                    storage.reportError(e.what(), "Error Restoring Tuning");
                     storage.retuneTo12TETScaleC261Mapping();
                 }
             }
@@ -485,7 +476,7 @@ void SurgeSynthesizer::savePatch()
 
         if (!catPath.is_relative())
         {
-            Surge::UserInteractions::promptError(
+            storage.reportError(
                 "Please use relative paths when saving patches. Referring to drive names directly "
                 "and using absolute paths is not allowed!",
                 "Error");
@@ -497,7 +488,7 @@ void SurgeSynthesizer::savePatch()
     }
     catch (...)
     {
-        Surge::UserInteractions::promptError(
+        storage.reportError(
             "Exception occured while creating category folder! Most likely, invalid characters "
             "were used to name the category. Please remove suspicious characters and try again!",
             "Error");
@@ -507,18 +498,13 @@ void SurgeSynthesizer::savePatch()
     fs::path filename = savepath;
     filename /= string_to_path(storage.getPatch().name + ".fxp");
 
-    bool checkExists = true;
-#if LINUX
-    // Overwrite prompt hangs UI in Bitwig 3.3
-    checkExists = (hostProgram.find("bitwig") != std::string::npos);
-#endif
-    if (checkExists && fs::exists(filename))
+    if (fs::exists(filename))
     {
-        if (Surge::UserInteractions::promptOKCancel(
+        if (storage.okCancelProvider(
                 std::string("The patch '" + storage.getPatch().name + "' already exists in '" +
                             storage.getPatch().category +
                             "'. Are you sure you want to overwrite it?"),
-                std::string("Overwrite patch")) == Surge::UserInteractions::CANCEL)
+                std::string("Overwrite patch"), SurgeStorage::OK) == SurgeStorage::CANCEL)
             return;
     }
     savePatchToPath(filename);
@@ -530,7 +516,7 @@ void SurgeSynthesizer::savePatchToPath(fs::path filename)
 
     if (!f)
     {
-        Surge::UserInteractions::promptError(
+        storage.reportError(
             "Unable to save the patch to the specified path! Maybe it contains invalid characters?",
             "Error");
         return;
diff --git a/src/common/UserDefaults.cpp b/src/common/UserDefaults.cpp
index 57ba70e0bd6..da47ef993b7 100644
--- a/src/common/UserDefaults.cpp
+++ b/src/common/UserDefaults.cpp
@@ -1,5 +1,4 @@
 #include "UserDefaults.h"
-#include "UserInteractions.h"
 #include "SurgeStorage.h"
 
 #include <string>
@@ -41,7 +40,7 @@ std::string defaultsFileName(SurgeStorage *storage)
     return fn;
 }
 
-void readDefaultsFile(std::string fn, bool forceRead = false)
+void readDefaultsFile(std::string fn, bool forceRead, SurgeStorage *storage)
 {
     if (!haveReadDefaultsFile || forceRead)
     {
@@ -59,7 +58,7 @@ void readDefaultsFile(std::string fn, bool forceRead = false)
                 oss << "This version of Surge only reads version 1 defaults. You user defaults "
                        "version is "
                     << version << ". Defaults ignored";
-                Surge::UserInteractions::promptError(oss.str(), "File Version Error");
+                storage->reportError(oss.str(), "File Version Error");
                 return;
             }
 
@@ -86,7 +85,7 @@ bool storeUserDefaultValue(SurgeStorage *storage, const std::string &key, const
                            UserDefaultValue::ValueType type)
 {
     // Re-read the file in case another surge has updated it
-    readDefaultsFile(defaultsFileName(storage), true);
+    readDefaultsFile(defaultsFileName(storage), true, storage);
 
     /*
     ** Surge has a habit of creating the user directories it needs.
@@ -111,7 +110,7 @@ bool storeUserDefaultValue(SurgeStorage *storage, const std::string &key, const
     {
         std::ostringstream emsg;
         emsg << "Unable to open defaults file '" << defaultsFileName(storage) << "' for writing.";
-        Surge::UserInteractions::promptError(emsg.str(), "Defaults Not Saved");
+        storage->reportError(emsg.str(), "Defaults Not Saved");
         return false;
     }
 
@@ -143,7 +142,7 @@ std::string getUserDefaultValue(SurgeStorage *storage, const std::string &key,
         return storage->userPrefOverrides[key].second;
     }
 
-    readDefaultsFile(defaultsFileName(storage));
+    readDefaultsFile(defaultsFileName(storage), false, storage);
 
     if (defaultsFileContents.find(key) != defaultsFileContents.end())
     {
@@ -165,7 +164,7 @@ int getUserDefaultValue(SurgeStorage *storage, const std::string &key, int value
         return storage->userPrefOverrides[key].first;
     }
 
-    readDefaultsFile(defaultsFileName(storage));
+    readDefaultsFile(defaultsFileName(storage), false, storage);
 
     if (defaultsFileContents.find(key) != defaultsFileContents.end())
     {
diff --git a/src/common/UserInteractions.h b/src/common/UserInteractions.h
deleted file mode 100644
index b4ed560588b..00000000000
--- a/src/common/UserInteractions.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
-**  SurgeMessage provides basic functions for the synth to report messages back to the user
-**  with a platform-neutral API. A platform-specific version of each implementation is
-**  registered at startup.
-**
-**  You can call this with
-**
-**    Surge::UserInteractions::reportProblem()
-**
-**  or what not.
-*/
-
-#pragma once
-
-#include <string>
-#include <atomic>
-#include <functional>
-
-class SurgeGUIEditor;
-
-namespace Surge
-{
-
-namespace UserInteractions
-{
-
-// Show the user an error dialog with an OK button; and wait for them to press it
-void promptError(const std::string &message, const std::string &title,
-                 SurgeGUIEditor *guiEditor = nullptr);
-
-// Show the user an Info dialog with an OK button; and wait for them to press it
-void promptInfo(const std::string &message, const std::string &title,
-                SurgeGUIEditor *guiEditor = nullptr);
-
-// Prompt the user with an OK/Cance
-typedef enum MessageResult
-{
-    OK,
-    CANCEL
-} MessageResult;
-
-MessageResult promptOKCancel(const std::string &message, const std::string &title,
-                             SurgeGUIEditor *guiEditor = nullptr);
-
-// Open a URL in a user-appropriate fashion
-void openURL(const std::string &url);
-void showHTML(const std::string &html);
-
-// Open a folder in the system appropriate file browser (finder on macOS, explorer on win,
-// etc)
-void openFolderInFileBrowser(const std::string &folder);
-
-// Prompt for a file to open; call the callback if you pick one
-void promptFileOpenDialog(const std::string &initialDirectory, const std::string &filterSuffix,
-                          const std::string &filterDescription,
-                          std::function<void(std::string)> callbackOnOpen,
-                          bool canSelectDirectories = false, bool canCreateDirectories = false,
-                          SurgeGUIEditor *guiEditor = nullptr);
-}; // namespace UserInteractions
-
-}; // namespace Surge
diff --git a/src/common/WavSupport.cpp b/src/common/WavSupport.cpp
index 62475dc326c..c01b61ca3ce 100644
--- a/src/common/WavSupport.cpp
+++ b/src/common/WavSupport.cpp
@@ -21,7 +21,6 @@
 #define WAV_STDOUT_INFO 0
 
 #include <stdio.h>
-#include "UserInteractions.h"
 #include "SurgeStorage.h"
 #include <sstream>
 #include <cerrno>
@@ -56,7 +55,7 @@ bool SurgeStorage::load_wt_wav_portable(std::string fn, Wavetable *wt)
     {
         std::ostringstream oss;
         oss << "Unable to open file '" << fn << "'!";
-        Surge::UserInteractions::promptError(oss.str(), uitag);
+        reportError(oss.str(), uitag);
         return false;
     }
 
@@ -68,7 +67,7 @@ bool SurgeStorage::load_wt_wav_portable(std::string fn, Wavetable *wt)
     {
         std::ostringstream oss;
         oss << "'" << fn << "' does not contain a valid RIFF header chunk!";
-        Surge::UserInteractions::promptError(oss.str(), uitag);
+        reportError(oss.str(), uitag);
         return false;
     }
 
@@ -77,7 +76,7 @@ bool SurgeStorage::load_wt_wav_portable(std::string fn, Wavetable *wt)
         std::ostringstream oss;
         oss << "'" << fn << "' is not a standard RIFF/WAVE file. Header is: " << riff[0] << riff[1]
             << riff[2] << riff[3] << " " << wav[0] << wav[1] << wav[2] << wav[3] << ".";
-        Surge::UserInteractions::promptError(oss.str(), uitag);
+        reportError(oss.str(), uitag);
         return false;
     }
 
@@ -170,7 +169,7 @@ bool SurgeStorage::load_wt_wav_portable(std::string fn, Wavetable *wt)
                     << " You provided a " << bitsPerSample << "-bit " << formname << " "
                     << numChannels << "-channel file.";
 
-                Surge::UserInteractions::promptError(oss.str(), uitag);
+                reportError(oss.str(), uitag);
                 return false;
             }
         }
@@ -330,7 +329,7 @@ bool SurgeStorage::load_wt_wav_portable(std::string fn, Wavetable *wt)
                "for"
             << " information on .wav file metadata.";
 
-        Surge::UserInteractions::promptError(oss.str(), uitag);
+        reportError(oss.str(), uitag);
 
         if (wavdata)
             free(wavdata);
@@ -407,7 +406,7 @@ bool SurgeStorage::load_wt_wav_portable(std::string fn, Wavetable *wt)
                "4096 samples per frame in power-of-two increments. You provided a wavetable with "
             << loopCount << (loopCount == 1 ? " frame" : " frames") << " of " << loopLen
             << " samples. '" << fn << "'";
-        Surge::UserInteractions::promptError(oss.str(), uitag);
+        reportError(oss.str(), uitag);
 
         if (wavdata)
             free(wavdata);
@@ -450,7 +449,7 @@ bool SurgeStorage::load_wt_wav_portable(std::string fn, Wavetable *wt)
             << " You provided a " << bitsPerSample << "-bit" << audioFormat << " " << numChannels
             << "-channel file.";
 
-        Surge::UserInteractions::promptError(oss.str(), uitag);
+        reportError(oss.str(), uitag);
 
         if (wavdata)
             free(wavdata);
@@ -467,7 +466,7 @@ bool SurgeStorage::load_wt_wav_portable(std::string fn, Wavetable *wt)
     return true;
 }
 
-void SurgeStorage::export_wt_wav_portable(std::string fbase, Wavetable *wt)
+std::string SurgeStorage::export_wt_wav_portable(std::string fbase, Wavetable *wt)
 {
     std::string path;
     path = Surge::Storage::appendDirectory(userDataPath, "Exported Wavetables");
@@ -492,8 +491,8 @@ void SurgeStorage::export_wt_wav_portable(std::string fbase, Wavetable *wt)
             errorMessage = "Unable to open file " + fname + "!";
             errorMessage += std::strerror(errno);
 
-            Surge::UserInteractions::promptError(errorMessage, "Wavetable Export");
-            return;
+            reportError(errorMessage, "Wavetable Export");
+            return "";
         }
 
         auto audioFormat = 3;
@@ -575,5 +574,5 @@ void SurgeStorage::export_wt_wav_portable(std::string fbase, Wavetable *wt)
 
     refresh_wtlist();
 
-    Surge::UserInteractions::promptInfo("Exported to " + fname, "Export Succeeded!");
+    return fname;
 }
diff --git a/src/common/gui/CAboutBox.cpp b/src/common/gui/CAboutBox.cpp
index bd7b8499a2c..ae25e365796 100644
--- a/src/common/gui/CAboutBox.cpp
+++ b/src/common/gui/CAboutBox.cpp
@@ -5,7 +5,6 @@
 #include <stdio.h>
 #include "version.h"
 
-#include "UserInteractions.h"
 #include "SkinColors.h"
 #include "CSurgeHyperlink.h"
 #include "SurgeGUIEditor.h"
diff --git a/src/common/gui/CLFOGui.cpp b/src/common/gui/CLFOGui.cpp
index 4c44507a928..7c882bac2b5 100644
--- a/src/common/gui/CLFOGui.cpp
+++ b/src/common/gui/CLFOGui.cpp
@@ -1277,7 +1277,7 @@ void CLFOGui::openPopup(CPoint &where)
         storage ? SurgeGUIEditor::helpURLForSpecial(storage, "mseg-editor") : std::string();
     auto hurl = SurgeGUIEditor::fullyResolvedHelpURL(msurl);
 
-    addCb(contextMenu, "[?] MSEG Segment", [hurl]() { Surge::UserInteractions::openURL(hurl); });
+    addCb(contextMenu, "[?] MSEG Segment", [hurl]() { juce::URL(hurl).launchInDefaultBrowser(); });
 
     contextMenu->addSeparator();
 
diff --git a/src/common/gui/COscillatorDisplay.cpp b/src/common/gui/COscillatorDisplay.cpp
index 5069cea91fb..767babba007 100644
--- a/src/common/gui/COscillatorDisplay.cpp
+++ b/src/common/gui/COscillatorDisplay.cpp
@@ -18,7 +18,6 @@
 #include "Oscillator.h"
 #include <time.h>
 #include "unitconversion.h"
-#include "UserInteractions.h"
 #include "guihelpers.h"
 #include "SkinColors.h"
 #include "RuntimeFont.h"
@@ -690,7 +689,12 @@ void COscillatorDisplay::populateMenu(COptionMenu *contextMenu, int selectedItem
 
         std::string baseName = storage->getPatch().name + "_osc" + std::to_string(oscNum + 1) +
                                "_scene" + (scene == 0 ? "A" : "B");
-        storage->export_wt_wav_portable(baseName, &(oscdata->wt));
+        auto fn = storage->export_wt_wav_portable(baseName, &(oscdata->wt));
+        if (!fn.empty())
+        {
+            std::string message = "Wav file exported to '" + fn + "'";
+            juce::AlertWindow::showMessageBox(juce::AlertWindow::InfoIcon, "Exported Wav", message);
+        }
     };
     exportItem->setActions(exportAction, nullptr);
     contextMenu->addEntry(exportItem);
@@ -698,8 +702,9 @@ void COscillatorDisplay::populateMenu(COptionMenu *contextMenu, int selectedItem
     auto omi = std::make_shared<CCommandMenuItem>(
         CCommandMenuItem::Desc(Surge::UI::toOSCaseForMenu("Open Exported Wavetables Folder...")));
     omi->setActions([this](CCommandMenuItem *i) {
-        Surge::UserInteractions::openFolderInFileBrowser(
-            Surge::Storage::appendDirectory(this->storage->userDataPath, "Exported Wavetables"));
+        juce::URL(juce::File(Surge::Storage::appendDirectory(this->storage->userDataPath,
+                                                             "Exported Wavetables")))
+            .launchInDefaultBrowser();
     });
     contextMenu->addEntry(omi);
 
@@ -711,7 +716,7 @@ void COscillatorDisplay::populateMenu(COptionMenu *contextMenu, int selectedItem
         {
             auto lurl = sge->fullyResolvedHelpURL(hu);
             auto hi = std::make_shared<CCommandMenuItem>(CCommandMenuItem::Desc("[?] Wavetables"));
-            auto ca = [lurl](CCommandMenuItem *i) { Surge::UserInteractions::openURL(lurl); };
+            auto ca = [lurl](CCommandMenuItem *i) { juce::URL(lurl).launchInDefaultBrowser(); };
             hi->setActions(ca, nullptr);
             contextMenu->addSeparator();
             contextMenu->addEntry(hi);
@@ -804,9 +809,14 @@ void COscillatorDisplay::loadWavetable(int id)
 
 void COscillatorDisplay::loadWavetableFromFile()
 {
-    Surge::UserInteractions::promptFileOpenDialog("", "", "", [this](std::string s) {
-        strncpy(this->oscdata->wt.queue_filename, s.c_str(), 255);
-    });
+    juce::FileChooser c("Select Wavetable to Load");
+    auto r = c.browseForFileToOpen();
+    if (r)
+    {
+        auto res = c.getResult();
+        auto rString = res.getFullPathName().toStdString();
+        strncpy(this->oscdata->wt.queue_filename, rString.c_str(), 255);
+    }
 }
 
 CMouseEventResult COscillatorDisplay::onMouseUp(CPoint &where, const CButtonState &buttons)
diff --git a/src/common/gui/CPatchBrowser.cpp b/src/common/gui/CPatchBrowser.cpp
index e1e1469fb48..051ca0c13d4 100644
--- a/src/common/gui/CPatchBrowser.cpp
+++ b/src/common/gui/CPatchBrowser.cpp
@@ -15,7 +15,6 @@
 
 #include "SurgeGUIEditor.h"
 #include "CPatchBrowser.h"
-#include "UserInteractions.h"
 #include "SkinColors.h"
 #include "guihelpers.h"
 
@@ -207,13 +206,16 @@ CMouseEventResult CPatchBrowser::onMouseDown(CPoint &where, const CButtonState &
     auto loadF = std::make_shared<CCommandMenuItem>(
         CCommandMenuItem::Desc(Surge::UI::toOSCaseForMenu("Load Patch from File...")));
     loadF->setActions([this](CCommandMenuItem *item) {
-        Surge::UserInteractions::promptFileOpenDialog(
-            "", "fxp", "Surge FXP Files", [this](std::string fn) {
-                auto sge = dynamic_cast<SurgeGUIEditor *>(listener);
-                if (!sge)
-                    return;
-                sge->queuePatchFileLoad(fn);
-            });
+        juce::FileChooser c("Select Patch to Load", juce::File(storage->userDataPath), "*.fxp");
+        auto r = c.browseForFileToOpen();
+        if (r)
+        {
+            auto res = c.getResult();
+            auto rString = res.getFullPathName().toStdString();
+            auto sge = dynamic_cast<SurgeGUIEditor *>(listener);
+            if (sge)
+                sge->queuePatchFileLoad(rString);
+        }
     });
     contextMenu->addEntry(loadF);
 
@@ -228,23 +230,25 @@ CMouseEventResult CPatchBrowser::onMouseDown(CPoint &where, const CButtonState &
     auto showU = std::make_shared<CCommandMenuItem>(
         CCommandMenuItem::Desc(Surge::UI::toOSCaseForMenu("Open User Patches Folder...")));
     showU->setActions([this](CCommandMenuItem *item) {
-        Surge::UserInteractions::openFolderInFileBrowser(this->storage->userDataPath);
+        juce::URL(juce::File(this->storage->userDataPath)).launchInDefaultBrowser();
     });
     contextMenu->addEntry(showU);
 
     auto showF = std::make_shared<CCommandMenuItem>(
         CCommandMenuItem::Desc(Surge::UI::toOSCaseForMenu("Open Factory Patches Folder...")));
     showF->setActions([this](CCommandMenuItem *item) {
-        Surge::UserInteractions::openFolderInFileBrowser(
-            Surge::Storage::appendDirectory(this->storage->datapath, "patches_factory"));
+        juce::URL(
+            juce::File(Surge::Storage::appendDirectory(this->storage->datapath, "patches_factory")))
+            .launchInDefaultBrowser();
     });
     contextMenu->addEntry(showF);
 
     auto show3 = std::make_shared<CCommandMenuItem>(
         CCommandMenuItem::Desc(Surge::UI::toOSCaseForMenu("Open Third Party Patches Folder...")));
     show3->setActions([this](CCommandMenuItem *item) {
-        Surge::UserInteractions::openFolderInFileBrowser(
-            Surge::Storage::appendDirectory(this->storage->datapath, "patches_3rdparty"));
+        juce::URL(juce::File(
+                      Surge::Storage::appendDirectory(this->storage->datapath, "patches_3rdparty")))
+            .launchInDefaultBrowser();
     });
     contextMenu->addEntry(show3);
 
@@ -261,7 +265,7 @@ CMouseEventResult CPatchBrowser::onMouseDown(CPoint &where, const CButtonState &
             auto lurl = sge->fullyResolvedHelpURL(hu);
             auto hi =
                 std::make_shared<CCommandMenuItem>(CCommandMenuItem::Desc("[?] Patch Browser"));
-            auto ca = [lurl](CCommandMenuItem *i) { Surge::UserInteractions::openURL(lurl); };
+            auto ca = [lurl](CCommandMenuItem *i) { juce::URL(lurl).launchInDefaultBrowser(); };
             hi->setActions(ca, nullptr);
             contextMenu->addEntry(hi);
         }
diff --git a/src/common/gui/CSnapshotMenu.cpp b/src/common/gui/CSnapshotMenu.cpp
index d53050d8ab5..447f09a1149 100644
--- a/src/common/gui/CSnapshotMenu.cpp
+++ b/src/common/gui/CSnapshotMenu.cpp
@@ -632,7 +632,9 @@ void CFxMenu::rescanUserPresets()
     {
         std::ostringstream oss;
         oss << "Experienced file system error when scanning user FX. " << e.what();
-        Surge::UserInteractions::promptError(oss.str(), "FileSystem Error");
+
+        if (storage)
+            storage->reportError(oss.str(), "FileSystem Error");
     }
 
     for (const auto &f : sfxfiles)
@@ -902,8 +904,8 @@ void CFxMenu::saveFXIn(const std::string &s)
     std::ofstream pfile(fn, std::ios::out);
     if (!pfile.is_open())
     {
-        Surge::UserInteractions::promptError(
-            std::string("Unable to open FX preset file '") + fn + "' for writing!", "Error");
+        storage->reportError(std::string("Unable to open FX preset file '") + fn + "' for writing!",
+                             "Error");
         return;
     }
 
diff --git a/src/common/gui/CSurgeHyperlink.h b/src/common/gui/CSurgeHyperlink.h
index 5da25b79062..83084ad9e1f 100644
--- a/src/common/gui/CSurgeHyperlink.h
+++ b/src/common/gui/CSurgeHyperlink.h
@@ -15,13 +15,8 @@
 
 #pragma once
 
-#if ESCAPE_FROM_VSTGUI
 #include <efvg/escape_from_vstgui.h>
-#else
-#include "vstgui/vstgui.h"
-#endif
 #include <string>
-#include "UserInteractions.h"
 
 class CSurgeHyperlink : public VSTGUI::CControl
 {
@@ -49,7 +44,7 @@ class CSurgeHyperlink : public VSTGUI::CControl
     VSTGUI::CMouseEventResult onMouseUp(VSTGUI::CPoint &where,
                                         const VSTGUI::CButtonState &buttons) override
     {
-        Surge::UserInteractions::openURL(url);
+        juce::URL(url).launchInDefaultBrowser();
         return VSTGUI::kMouseEventHandled;
     }
 
diff --git a/src/common/gui/CTextButtonWithHover.h b/src/common/gui/CTextButtonWithHover.h
index 5799215d3c1..fc6672ae8a4 100644
--- a/src/common/gui/CTextButtonWithHover.h
+++ b/src/common/gui/CTextButtonWithHover.h
@@ -33,13 +33,11 @@ class CTextButtonWithHover : public VSTGUI::CTextButton
     {
         ~OptionalForget()
         {
-#if TARGET_JUCE_UI
             if (isSet && item)
             {
-                item->forget();
+                // item->forget();
                 item = nullptr;
             }
-#endif
         }
         T item = T();
         bool isSet = false;
@@ -54,11 +52,11 @@ class CTextButtonWithHover : public VSTGUI::CTextButton
     {
         if (getGradient())
         {
-            getGradient()->forget();
+            // getGradient()->forget();
         }
         if (getGradientHighlighted())
         {
-            getGradientHighlighted()->forget();
+            // getGradientHighlighted()->forget();
         }
     }
     VSTGUI::CMouseEventResult onMouseEntered(VSTGUI::CPoint &where,
diff --git a/src/common/gui/MSEGEditor.cpp b/src/common/gui/MSEGEditor.cpp
index d760de6eeb1..48678e4d4e8 100644
--- a/src/common/gui/MSEGEditor.cpp
+++ b/src/common/gui/MSEGEditor.cpp
@@ -2161,7 +2161,7 @@ struct MSEGCanvas : public CControl,
         auto hurl = SurgeGUIEditor::fullyResolvedHelpURL(msurl);
 
         addCb(contextMenu, "[?] MSEG Segment",
-              [hurl]() { Surge::UserInteractions::openURL(hurl); });
+              [hurl]() { juce::URL(hurl).launchInDefaultBrowser(); });
 
         contextMenu->addSeparator();
 
@@ -2677,7 +2677,7 @@ int32_t MSEGControlRegion::controlModifierClicked(CControl *pControl, CButtonSta
         auto msurl = SurgeGUIEditor::helpURLForSpecial(storage, "mseg-editor");
         auto hurl = SurgeGUIEditor::fullyResolvedHelpURL(msurl);
 
-        addcb("[?] " + menuName, [hurl]() { Surge::UserInteractions::openURL(hurl); });
+        addcb("[?] " + menuName, [hurl]() { juce::URL(hurl).launchInDefaultBrowser(); });
         com->addSeparator();
         if (isOnOff)
         {
diff --git a/src/common/gui/SkinSupport.cpp b/src/common/gui/SkinSupport.cpp
index f390285293d..7d701de8636 100644
--- a/src/common/gui/SkinSupport.cpp
+++ b/src/common/gui/SkinSupport.cpp
@@ -5,7 +5,6 @@
 #include "SkinSupport.h"
 #include "SurgeStorage.h"
 #include "SurgeBitmaps.h"
-#include "UserInteractions.h"
 #include "UserDefaults.h"
 #include "UIInstrumentation.h"
 #include "CScalableBitmap.h"
@@ -170,7 +169,7 @@ void SkinDB::rescanForSkins(SurgeStorage *storage)
             << "set of resources. Surge looked in '" << storage->datapath << "' and '"
             << storage->userDataPath << "'. "
             << "Please reinstall Surge or remove incompatible resources.";
-        Surge::UserInteractions::promptError(oss.str(), "Skin Loading Error");
+        storage->reportError(oss.str(), "Skin Loading Error");
     }
 
     // Run over the skins parsing the name
@@ -1009,8 +1008,9 @@ VSTGUI::CColor Skin::getColor(const std::string &iid, const VSTGUI::CColor &def,
                "visited during traversal are: ";
         for (auto l : noLoops)
             oss << "'" << l << "' ";
-        // FIXME ERROR
-        Surge::UserInteractions::promptError(oss.str(), "Skin Configuration Error");
+        // FIXME thread a storage here
+        std::cout << oss.str() << std::endl;
+        // storage->reportError(oss.str(), "Skin Configuration Error");
         return def;
     }
     noLoops.insert(id);
diff --git a/src/common/gui/SurgeBitmaps.cpp b/src/common/gui/SurgeBitmaps.cpp
index debbed80033..0451b6e1355 100644
--- a/src/common/gui/SurgeBitmaps.cpp
+++ b/src/common/gui/SurgeBitmaps.cpp
@@ -1,7 +1,5 @@
 #include "SurgeBitmaps.h"
-#include "UserInteractions.h"
 
-#include "UIInstrumentation.h"
 #include "CScalableBitmap.h"
 #include <iostream>
 #include <cassert>
diff --git a/src/common/gui/SurgeGUIEditor.cpp b/src/common/gui/SurgeGUIEditor.cpp
index e39f53323ea..dd8a29a57ec 100644
--- a/src/common/gui/SurgeGUIEditor.cpp
+++ b/src/common/gui/SurgeGUIEditor.cpp
@@ -35,7 +35,6 @@
 #include "SurgeBitmaps.h"
 #include "CScalableBitmap.h"
 #include "CNumberField.h"
-#include "UserInteractions.h"
 #include "UserDefaults.h"
 #include "SkinSupport.h"
 #include "SkinColors.h"
@@ -242,6 +241,17 @@ bool SurgeGUIEditor::fromSynthGUITag(SurgeSynthesizer *synth, int tag, SurgeSynt
 SurgeGUIEditor::SurgeGUIEditor(PARENT_PLUGIN_TYPE *effect, SurgeSynthesizer *synth, void *userdata)
     : super(effect)
 {
+    synth->storage.addErrorListener(this);
+    synth->storage.okCancelProvider = [this](const std::string &msg, const std::string &title,
+                                             SurgeStorage::OkCancel def) {
+        // think about threading one day probably
+        auto res = juce::AlertWindow::showOkCancelBox(juce::AlertWindow::InfoIcon, title, msg, "OK",
+                                                      "Cancel", nullptr, nullptr);
+
+        if (res)
+            return SurgeStorage::OK;
+        return SurgeStorage::CANCEL;
+    };
 #ifdef INSTRUMENT_UI
     Surge::Debug::record("SurgeGUIEditor::SurgeGUIEditor");
 #endif
@@ -345,6 +355,7 @@ SurgeGUIEditor::SurgeGUIEditor(PARENT_PLUGIN_TYPE *effect, SurgeSynthesizer *syn
 
 SurgeGUIEditor::~SurgeGUIEditor()
 {
+    synth->storage.clearOkCancelProvider();
     auto isPop = synth->storage.getPatch().dawExtraState.isPopulated;
     populateDawExtraState(synth); // If I must die, leave my state for future generations
     synth->storage.getPatch().dawExtraState.isPopulated = isPop;
@@ -367,6 +378,7 @@ SurgeGUIEditor::~SurgeGUIEditor()
 #if TARGET_JUCE_UI
     frame->forget();
 #endif
+    synth->storage.removeErrorListener(this);
 }
 
 void SurgeGUIEditor::idle()
@@ -377,6 +389,20 @@ void SurgeGUIEditor::idle()
     if (pause_idle_updates)
         return;
 
+    if (errorItemCount)
+    {
+        std::vector<std::pair<std::string, std::string>> cp;
+        {
+            std::lock_guard<std::mutex> g(errorItemsMutex);
+            cp = errorItems;
+            errorItems.clear();
+        }
+        for (const auto &p : cp)
+        {
+            juce::AlertWindow::showMessageBox(juce::AlertWindow::WarningIcon, p.second, p.first);
+        }
+    }
+
     if (editor_open && frame && !synth->halt_engine)
     {
         /*
@@ -438,7 +464,7 @@ void SurgeGUIEditor::idle()
                     << "running in order to load Surge patches. If the audio system is working, "
                        "you can probably"
                     << " ignore this message and continue once Surge catches up.";
-                Surge::UserInteractions::promptError(oss.str(), "Patch Loading Error");
+                synth->storage.reportError(oss.str(), "Patch Loading Error");
             }
         }
 
@@ -1048,7 +1074,7 @@ int32_t SurgeGUIEditor::onKeyDown(const VstKeyCode &code, CFrame *frame)
                                db.getAndResetErrorString();
                     currentSkin = db.defaultSkin(&(synth->storage));
                     currentSkin->reloadSkin(bitmapStore);
-                    Surge::UserInteractions::promptError(msg, "Skin Loading Error");
+                    synth->storage.reportError(msg, "Skin Loading Error");
                 }
 
                 reloadFromSkin();
@@ -1579,7 +1605,7 @@ void SurgeGUIEditor::openOrRecreateEditor()
         if (i == n_paramslots)
         {
             // This would only happen if a dev added params.
-            Surge::UserInteractions::promptError(
+            synth->storage.reportError(
                 "INTERNAL ERROR: List of parameters is larger than maximum number of parameter "
                 "slots. Increase n_paramslots in SurgeGUIEditor.h!",
                 "Error");
@@ -1913,7 +1939,7 @@ bool PLUGIN_API SurgeGUIEditor::open(void *parent, const PlatformType &platformT
     }
     if (l == nullptr)
     {
-        Surge::UserInteractions::promptError("Starting VST3 with null runloop", "Software Error");
+        synth->storage.reportError("Starting VST3 with null runloop", "Software Error");
     }
     LinuxVST3Init(l);
 #endif
@@ -2217,7 +2243,7 @@ int32_t SurgeGUIEditor::controlModifierClicked(CControl *control, CButtonState b
                 snprintf(txt, TXT_SIZE, "[?] Osc %i", a + 1);
                 auto lurl = fullyResolvedHelpURL(hu);
                 addCallbackMenu(contextMenu, txt,
-                                [lurl]() { Surge::UserInteractions::openURL(lurl); });
+                                [lurl]() { juce::URL(lurl).launchInDefaultBrowser(); });
                 eid++;
             }
             else
@@ -2285,7 +2311,7 @@ int32_t SurgeGUIEditor::controlModifierClicked(CControl *control, CButtonState b
             {
                 snprintf(txt, TXT_SIZE, "[?] Scene %c", 'A' + a);
                 auto lurl = fullyResolvedHelpURL(hu);
-                contextMenu.addItem(txt, [lurl]() { Surge::UserInteractions::openURL(lurl); });
+                contextMenu.addItem(txt, [lurl]() { juce::URL(lurl).launchInDefaultBrowser(); });
             }
             else
             {
@@ -2362,7 +2388,7 @@ int32_t SurgeGUIEditor::controlModifierClicked(CControl *control, CButtonState b
                     auto lurl = fullyResolvedHelpURL(hu);
                     std::string hs = std::string("[?] ") + (char *)modsource_names[idOn];
                     addCallbackMenu(contextMenu, hs,
-                                    [lurl]() { Surge::UserInteractions::openURL(lurl); });
+                                    [lurl]() { juce::URL(lurl).launchInDefaultBrowser(); });
                     eid++;
                 }
                 else
@@ -2389,7 +2415,7 @@ int32_t SurgeGUIEditor::controlModifierClicked(CControl *control, CButtonState b
                     auto lurl = fullyResolvedHelpURL(hu);
                     std::string hs = std::string("[?] ") + modulatorName(modsource, false);
                     addCallbackMenu(contextMenu, hs,
-                                    [lurl]() { Surge::UserInteractions::openURL(lurl); });
+                                    [lurl]() { juce::URL(lurl).launchInDefaultBrowser(); });
                     eid++;
                 }
                 else
@@ -2912,7 +2938,7 @@ int32_t SurgeGUIEditor::controlModifierClicked(CControl *control, CButtonState b
                 std::string helpstr = "[?] ";
                 auto lurl = fullyResolvedHelpURL(helpurl);
                 addCallbackMenu(contextMenu, std::string(helpstr + p->get_full_name()).c_str(),
-                                [lurl]() { Surge::UserInteractions::openURL(lurl); });
+                                [lurl]() { juce::URL(lurl).launchInDefaultBrowser(); });
                 eid++;
             }
 
@@ -4260,7 +4286,7 @@ void SurgeGUIEditor::effectSettingsBackgroundClick(int whichScene)
     std::string txt;
 
     addCallbackMenu(effmen, "[?] Effect Settings",
-                    [hurl]() { Surge::UserInteractions::openURL(hurl); });
+                    [hurl]() { juce::URL(hurl).launchInDefaultBrowser(); });
 
     effmen->addSeparator();
 
@@ -5506,7 +5532,7 @@ void SurgeGUIEditor::scaleFileDropped(std::string fn)
     }
     catch (Tunings::TuningError &e)
     {
-        Surge::UserInteractions::promptError(e.what(), "SCL Error");
+        synth->storage.reportError(e.what(), "SCL Error");
     }
 }
 
@@ -5519,7 +5545,7 @@ void SurgeGUIEditor::mappingFileDropped(std::string fn)
     }
     catch (Tunings::TuningError &e)
     {
-        Surge::UserInteractions::promptError(e.what(), "KBM Error");
+        synth->storage.reportError(e.what(), "KBM Error");
     }
 }
 
@@ -5641,7 +5667,7 @@ void SurgeGUIEditor::showMinimumZoomError() const
     std::ostringstream oss;
     oss << "The smallest zoom level possible on your platform is " << minimumZoom
         << "%. Sorry, you cannot make Surge any smaller!";
-    Surge::UserInteractions::promptError(oss.str(), "Zoom Level Error");
+    synth->storage.reportError(oss.str(), "Zoom Level Error");
 }
 
 void SurgeGUIEditor::showTooLargeZoomError(double width, double height, float zf) const
@@ -5661,7 +5687,7 @@ void SurgeGUIEditor::showTooLargeZoomError(double width, double height, float zf
     {
         msg << "Surge chose the largest fitting zoom level of " << zf << "%.";
     }
-    Surge::UserInteractions::promptError(msg.str(), "Zoom Level Adjusted");
+    synth->storage.reportError(msg.str(), "Zoom Level Adjusted");
 #endif
 }
 
@@ -5719,29 +5745,30 @@ void SurgeGUIEditor::showSettingsMenu(CRect &menuRect)
     settingsMenu->addSeparator(eid++);
 
     addCallbackMenu(settingsMenu, Surge::UI::toOSCaseForMenu("Reach the Developers..."), []() {
-        Surge::UserInteractions::openURL("https://surge-synthesizer.github.io/feedback");
+        juce::URL("https://surge-synthesizer.github.io/feedback").launchInDefaultBrowser();
     });
     eid++;
 
     addCallbackMenu(settingsMenu, Surge::UI::toOSCaseForMenu("Read the Code..."), []() {
-        Surge::UserInteractions::openURL("https://github.com/surge-synthesizer/surge/");
+        juce::URL("https://github.com/surge-synthesizer/surge/").launchInDefaultBrowser();
     });
     eid++;
 
-    addCallbackMenu(
-        settingsMenu, Surge::UI::toOSCaseForMenu("Download Additional Content..."), []() {
-            Surge::UserInteractions::openURL("https://github.com/surge-synthesizer/"
-                                             "surge-synthesizer.github.io/wiki/Additional-Content");
-        });
+    addCallbackMenu(settingsMenu, Surge::UI::toOSCaseForMenu("Download Additional Content..."),
+                    []() {
+                        juce::URL("https://github.com/surge-synthesizer/"
+                                  "surge-synthesizer.github.io/wiki/Additional-Content")
+                            .launchInDefaultBrowser();
+                    });
     eid++;
 
     addCallbackMenu(settingsMenu, Surge::UI::toOSCaseForMenu("Surge Website..."), []() {
-        Surge::UserInteractions::openURL("https://surge-synthesizer.github.io/");
+        juce::URL("https://surge-synthesizer.github.io/").launchInDefaultBrowser();
     });
     eid++;
 
     addCallbackMenu(settingsMenu, Surge::UI::toOSCaseForMenu("Surge Manual..."), []() {
-        Surge::UserInteractions::openURL("https://surge-synthesizer.github.io/manual/");
+        juce::URL("https://surge-synthesizer.github.io/manual/").launchInDefaultBrowser();
     });
     eid++;
 
@@ -5778,7 +5805,7 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeLfoMenu(VSTGUI::CRect &menuRect)
     COptionMenu *lfoSubMenu =
         new COptionMenu(menuRect, 0, 0, 0, 0, VSTGUI::COptionMenu::kNoDrawStyle);
     addCallbackMenu(lfoSubMenu, "[?] LFO Presets",
-                    [hurl]() { Surge::UserInteractions::openURL(hurl); }),
+                    [hurl]() { juce::URL(hurl).launchInDefaultBrowser(); }),
 
         lfoSubMenu->addSeparator();
 
@@ -5899,7 +5926,7 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeMpeMenu(VSTGUI::CRect &menuRect, bool s
     {
         auto lurl = fullyResolvedHelpURL(hu);
         addCallbackMenu(mpeSubMenu, "[?] MPE",
-                        [lurl]() { Surge::UserInteractions::openURL(lurl); });
+                        [lurl]() { juce::URL(lurl).launchInDefaultBrowser(); });
         mpeSubMenu->addSeparator();
     }
 
@@ -5998,7 +6025,7 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeTuningMenu(VSTGUI::CRect &menuRect, boo
     {
         auto lurl = fullyResolvedHelpURL(hu);
         addCallbackMenu(tuningSubMenu, "[?] Tuning ",
-                        [lurl]() { Surge::UserInteractions::openURL(lurl); });
+                        [lurl]() { juce::URL(lurl).launchInDefaultBrowser(); });
         tid++;
         tuningSubMenu->addSeparator();
     }
@@ -6076,8 +6103,7 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeTuningMenu(VSTGUI::CRect &menuRect, boo
             {
                 if (sf.compare(sf.length() - sfx.length(), sfx.length(), sfx) != 0)
                 {
-                    Surge::UserInteractions::promptError("Please select only .scl files!",
-                                                         "Invalid Choice");
+                    synth->storage.reportError("Please select only .scl files!", "Invalid Choice");
                     std::cout << "FILE is [" << sf << "]" << std::endl;
                     return;
                 }
@@ -6088,65 +6114,75 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeTuningMenu(VSTGUI::CRect &menuRect, boo
 
                 if (!this->synth->storage.retuneToScale(sc))
                 {
-                    Surge::UserInteractions::promptError("This .scl file is not valid!",
-                                                         "File Format Error");
+                    synth->storage.reportError("This .scl file is not valid!", "File Format Error");
                     return;
                 }
                 this->synth->refresh_editor = true;
             }
             catch (Tunings::TuningError &e)
             {
-                Surge::UserInteractions::promptError(e.what(), "Loading Error");
+                synth->storage.reportError(e.what(), "Loading Error");
             }
         };
 
         auto scl_path =
             Surge::Storage::appendDirectory(this->synth->storage.datapath, "tuning-library", "SCL");
 
-        Surge::UserInteractions::promptFileOpenDialog(scl_path, ".scl",
-                                                      "Scala microtuning files (*.scl)", cb);
+        juce::FileChooser c("Select SCL Scale", juce::File(scl_path), "*.scl");
+        auto r = c.browseForFileToOpen();
+        if (r)
+        {
+            auto res = c.getResult();
+            auto rString = res.getFullPathName().toStdString();
+            cb(rString);
+        }
     });
     tid++;
 
-    addCallbackMenu(
-        tuningSubMenu, Surge::UI::toOSCaseForMenu("Load .kbm Keyboard Mapping..."), [this]() {
-            auto cb = [this](std::string sf) {
-                std::string sfx = ".kbm";
-                if (sf.length() >= sfx.length())
-                {
-                    if (sf.compare(sf.length() - sfx.length(), sfx.length(), sfx) != 0)
-                    {
-                        Surge::UserInteractions::promptError("Please select only .kbm files!",
-                                                             "Invalid Choice");
-                        std::cout << "FILE is [" << sf << "]" << std::endl;
-                        return;
-                    }
-                }
-                try
-                {
-                    auto kb = Tunings::readKBMFile(sf);
-
-                    if (!this->synth->storage.remapToKeyboard(kb))
-                    {
-                        Surge::UserInteractions::promptError("This .kbm file is not valid!",
-                                                             "File Format Error");
-                        return;
-                    }
+    addCallbackMenu(tuningSubMenu, Surge::UI::toOSCaseForMenu("Load .kbm Keyboard Mapping..."),
+                    [this]() {
+                        auto cb = [this](std::string sf) {
+                            std::string sfx = ".kbm";
+                            if (sf.length() >= sfx.length())
+                            {
+                                if (sf.compare(sf.length() - sfx.length(), sfx.length(), sfx) != 0)
+                                {
+                                    synth->storage.reportError("Please select only .kbm files!",
+                                                               "Invalid Choice");
+                                    std::cout << "FILE is [" << sf << "]" << std::endl;
+                                    return;
+                                }
+                            }
+                            try
+                            {
+                                auto kb = Tunings::readKBMFile(sf);
 
-                    this->synth->refresh_editor = true;
-                }
-                catch (Tunings::TuningError &e)
-                {
-                    Surge::UserInteractions::promptError(e.what(), "Loading Error");
-                }
-            };
+                                if (!this->synth->storage.remapToKeyboard(kb))
+                                {
+                                    synth->storage.reportError("This .kbm file is not valid!",
+                                                               "File Format Error");
+                                    return;
+                                }
 
-            auto kbm_path = Surge::Storage::appendDirectory(this->synth->storage.datapath,
-                                                            "tuning-library", "KBM Concert Pitch");
+                                this->synth->refresh_editor = true;
+                            }
+                            catch (Tunings::TuningError &e)
+                            {
+                                synth->storage.reportError(e.what(), "Loading Error");
+                            }
+                        };
 
-            Surge::UserInteractions::promptFileOpenDialog(
-                kbm_path, ".kbm", "Scala keyboard mapping files (*.kbm)", cb);
-        });
+                        auto kbm_path = Surge::Storage::appendDirectory(
+                            this->synth->storage.datapath, "tuning-library", "KBM Concert Pitch");
+                        juce::FileChooser c("Select KBM Mapping", juce::File(kbm_path), "*.kbm");
+                        auto r = c.browseForFileToOpen();
+                        if (r)
+                        {
+                            auto res = c.getResult();
+                            auto rString = res.getFullPathName().toStdString();
+                            cb(rString);
+                        }
+                    });
     tid++;
 
     int oct = 5 - Surge::Storage::getUserDefaultValue(&(this->synth->storage), "middleC", 1);
@@ -6168,8 +6204,8 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeTuningMenu(VSTGUI::CRect &menuRect, boo
                                   kb.name = "Note 69 Retuned 440 to " + std::to_string(freq);
                                   if (!this->synth->storage.remapToKeyboard(kb))
                                   {
-                                      Surge::UserInteractions::promptError(
-                                          "This .kbm file is not valid!", "File Format Error");
+                                      synth->storage.reportError("This .kbm file is not valid!",
+                                                                 "File Format Error");
                                       return;
                                   }
                               });
@@ -6258,9 +6294,9 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeTuningMenu(VSTGUI::CRect &menuRect, boo
     tuningSubMenu->addSeparator();
 
     tid++;
-    auto sct = addCallbackMenu(
-        tuningSubMenu, Surge::UI::toOSCaseForMenu("Show Current Tuning Information..."),
-        [this]() { Surge::UserInteractions::showHTML(this->tuningToHtml()); });
+    auto sct = addCallbackMenu(tuningSubMenu,
+                               Surge::UI::toOSCaseForMenu("Show Current Tuning Information..."),
+                               [this]() { showHTML(this->tuningToHtml()); });
     sct->setEnabled(!this->synth->storage.isStandardTuning);
 
     addCallbackMenu(
@@ -6268,7 +6304,7 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeTuningMenu(VSTGUI::CRect &menuRect, boo
             auto dpath =
                 Surge::Storage::appendDirectory(this->synth->storage.datapath, "tuning-library");
 
-            Surge::UserInteractions::openFolderInFileBrowser(dpath);
+            juce::URL(juce::File(dpath)).launchInDefaultBrowser();
         });
 
     return tuningSubMenu;
@@ -6287,7 +6323,7 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeZoomMenu(VSTGUI::CRect &menuRect, bool
     {
         auto lurl = fullyResolvedHelpURL(hu);
         addCallbackMenu(zoomSubMenu, "[?] Zoom",
-                        [lurl]() { Surge::UserInteractions::openURL(lurl); });
+                        [lurl]() { juce::URL(lurl).launchInDefaultBrowser(); });
         zid++;
 
         zoomSubMenu->addSeparator(zid++);
@@ -6801,7 +6837,7 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeSkinMenu(VSTGUI::CRect &menuRect)
                 db.getAndResetErrorString();
             this->currentSkin = db.defaultSkin(&(this->synth->storage));
             this->currentSkin->reloadSkin(this->bitmapStore);
-            Surge::UserInteractions::promptError(msg, "Skin Loading Error");
+            synth->storage.reportError(msg, "Skin Loading Error");
         }
 
         reloadFromSkin();
@@ -6835,21 +6871,20 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeSkinMenu(VSTGUI::CRect &menuRect)
 
     addCallbackMenu(skinSubMenu, Surge::UI::toOSCaseForMenu("Open Current Skin Folder..."),
                     [this]() {
-                        Surge::UserInteractions::openFolderInFileBrowser(this->currentSkin->root +
-                                                                         this->currentSkin->name);
+                        juce::URL(juce::File(this->currentSkin->root + this->currentSkin->name))
+                            .launchInDefaultBrowser();
                     });
     tid++;
 
     skinSubMenu->addSeparator();
 
     addCallbackMenu(skinSubMenu, Surge::UI::toOSCaseForMenu("Show Skin Inspector..."),
-                    [this]() { Surge::UserInteractions::showHTML(skinInspectorHtml()); });
+                    [this]() { showHTML(skinInspectorHtml()); });
 
     tid++;
 
-    addCallbackMenu(skinSubMenu, Surge::UI::toOSCaseForMenu("Skin Development Guide..."), []() {
-        Surge::UserInteractions::openURL("https://surge-synthesizer.github.io/skin-manual.html");
-    });
+    addCallbackMenu(skinSubMenu, Surge::UI::toOSCaseForMenu("Skin Development Guide..."),
+                    []() { juce::URL("https://surge-synthesizer.github.io/skin-manual.html"); });
 
     tid++;
 
@@ -6865,14 +6900,14 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeDataMenu(VSTGUI::CRect &menuRect)
 
     addCallbackMenu(
         dataSubMenu, Surge::UI::toOSCaseForMenu("Open Factory Data Folder..."), [this]() {
-            Surge::UserInteractions::openFolderInFileBrowser(this->synth->storage.datapath);
+            juce::URL(juce::File(this->synth->storage.datapath)).launchInDefaultBrowser();
         });
     did++;
 
     addCallbackMenu(dataSubMenu, Surge::UI::toOSCaseForMenu("Open User Data Folder..."), [this]() {
         // make it if it isn't there
         fs::create_directories(string_to_path(this->synth->storage.userDataPath));
-        Surge::UserInteractions::openFolderInFileBrowser(this->synth->storage.userDataPath);
+        juce::URL(juce::File(this->synth->storage.userDataPath)).launchInDefaultBrowser();
     });
     did++;
 
@@ -6885,8 +6920,11 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeDataMenu(VSTGUI::CRect &menuRect)
                 this->synth->storage.refresh_wtlist();
                 this->synth->storage.refresh_patchlist();
             };
+            /*
+             * TODO: Implement JUCE direcotry picker
             Surge::UserInteractions::promptFileOpenDialog(this->synth->storage.userDataPath, "", "",
                                                           cb, true, true);
+                                                          */
         });
     did++;
 
@@ -6998,7 +7036,7 @@ VSTGUI::COptionMenu *SurgeGUIEditor::makeMidiMenu(VSTGUI::CRect &menuRect)
     midiSubMenu->addSeparator();
 
     addCallbackMenu(midiSubMenu, Surge::UI::toOSCaseForMenu("Show Current MIDI Mapping..."),
-                    [this]() { Surge::UserInteractions::showHTML(this->midiMappingToHtml()); });
+                    [this]() { showHTML(this->midiMappingToHtml()); });
 
     if (!scannedForMidiPresets)
     {
@@ -7752,7 +7790,7 @@ void SurgeGUIEditor::setupSkinFromEntry(const Surge::UI::SkinDB::Entry &entry)
         auto msg = std::string(oss.str());
         this->currentSkin = db.defaultSkin(&(this->synth->storage));
         this->currentSkin->reloadSkin(this->bitmapStore);
-        Surge::UserInteractions::promptError(msg, "Skin Loading Error");
+        synth->storage.reportError(msg, "Skin Loading Error");
     }
     reloadFromSkin();
 }
@@ -9061,3 +9099,9 @@ void SurgeGUIEditor::toggleAlternateFor(VSTGUI::CControl *c)
         this->refresh_mod();
     }
 }
+void SurgeGUIEditor::onSurgeError(const string &msg, const string &title)
+{
+    std::lock_guard<std::mutex> g(errorItemsMutex);
+    errorItems.emplace_back(msg, title);
+    errorItemCount++;
+}
diff --git a/src/common/gui/SurgeGUIEditor.h b/src/common/gui/SurgeGUIEditor.h
index 0dc7e4016c0..d15c25ab36f 100644
--- a/src/common/gui/SurgeGUIEditor.h
+++ b/src/common/gui/SurgeGUIEditor.h
@@ -17,37 +17,11 @@
 
 #include "globals.h"
 
-#if TARGET_AUDIOUNIT
-//#include "vstkeycode.h"
-#include "vstgui/plugin-bindings/plugguieditor.h"
-typedef VSTGUI::PluginGUIEditor EditorType;
-#elif TARGET_VST3
-#include "public.sdk/source/vst/vstguieditor.h"
-#include "pluginterfaces/gui/iplugviewcontentscalesupport.h"
-typedef Steinberg::Vst::VSTGUIEditor EditorType;
-#define PARENT_PLUGIN_TYPE SurgeVst3Processor
-#elif TARGET_VST2
-#if LINUX
-#include "../linux/linux-aeffguieditor.h"
-typedef VSTGUI::LinuxAEffGUIEditor EditorType;
-#else
-#include "vstgui/plugin-bindings/aeffguieditor.h"
-typedef VSTGUI::AEffGUIEditor EditorType;
-#endif
-#elif TARGET_JUCE_UI
 #include <JuceHeader.h>
 #include "efvg/escape_from_vstgui.h"
 #include "SurgeSynthEditor.h"
 typedef EscapeFromVSTGUI::JuceVSTGUIEditorAdapter EditorType;
 #define PARENT_PLUGIN_TYPE SurgeSynthEditor
-#else
-#include "vstgui/plugin-bindings/plugguieditor.h"
-typedef VSTGUI::PluginGUIEditor EditorType;
-#endif
-
-#ifndef PARENT_PLUGIN_TYPE
-#define PARENT_PLUGIN_TYPE void
-#endif
 
 #include "SurgeStorage.h"
 #include "SurgeBitmaps.h"
@@ -60,6 +34,8 @@ typedef VSTGUI::PluginGUIEditor EditorType;
 
 #include <vector>
 #include "MSEGEditor.h"
+#include <thread>
+#include <atomic>
 
 class CSurgeSlider;
 class CModulationSourceButton;
@@ -80,7 +56,8 @@ struct SGEDropAdapter;
 
 class SurgeGUIEditor : public EditorType,
                        public VSTGUI::IControlListener,
-                       public VSTGUI::IKeyboardHook
+                       public VSTGUI::IKeyboardHook,
+                       public SurgeStorage::ErrorListener
 #if TARGET_VST3
     ,
                        public Steinberg::IPlugViewContentScaleSupport
@@ -93,6 +70,11 @@ class SurgeGUIEditor : public EditorType,
     SurgeGUIEditor(PARENT_PLUGIN_TYPE *effect, SurgeSynthesizer *synth, void *userdata = nullptr);
     virtual ~SurgeGUIEditor();
 
+    std::atomic<int> errorItemCount{0};
+    std::vector<std::pair<std::string, std::string>> errorItems;
+    std::mutex errorItemsMutex;
+    void onSurgeError(const std::string &msg, const std::string &title) override;
+
     static int start_paramtag_value;
 
 #if TARGET_AUDIOUNIT | TARGET_VST2 | TARGET_LV2
@@ -327,6 +309,8 @@ class SurgeGUIEditor : public EditorType,
     void showZoomMenu(VSTGUI::CPoint &where);
     void showLfoMenu(VSTGUI::CPoint &menuRect);
 
+    void showHTML(const std::string &s);
+
     void toggleMPE();
     void toggleTuning();
     void scaleFileDropped(std::string fn);
diff --git a/src/common/gui/SurgeGUIEditorHtmlGenerators.cpp b/src/common/gui/SurgeGUIEditorHtmlGenerators.cpp
index d34be32f0b7..584a87687d1 100644
--- a/src/common/gui/SurgeGUIEditorHtmlGenerators.cpp
+++ b/src/common/gui/SurgeGUIEditorHtmlGenerators.cpp
@@ -10,6 +10,27 @@ namespace UI
 }
 } // namespace Surge
 
+void SurgeGUIEditor::showHTML(const std::string &html)
+{
+    static struct filesToDelete : juce::DeletedAtShutdown
+    {
+        ~filesToDelete()
+        {
+            for (const auto &d : deleteThese)
+            {
+                d.deleteFile();
+            }
+        }
+        std::vector<juce::File> deleteThese;
+    } *byebyeOnExit = new filesToDelete();
+
+    auto f = juce::File::createTempFile("_surge.html");
+    f.replaceWithText(html);
+    auto U = juce::URL(f);
+    U.launchInDefaultBrowser();
+    byebyeOnExit->deleteThese.push_back(f);
+};
+
 std::string SurgeGUIEditor::tuningToHtml()
 {
     std::ostringstream htmls;
diff --git a/src/common/gui/UIInstrumentation.cpp b/src/common/gui/UIInstrumentation.cpp
index e72dc86735b..afdcdbecd69 100644
--- a/src/common/gui/UIInstrumentation.cpp
+++ b/src/common/gui/UIInstrumentation.cpp
@@ -1,5 +1,4 @@
 #include "UIInstrumentation.h"
-#include "UserInteractions.h"
 #include <unordered_map>
 #include <map>
 #include <vector>
diff --git a/src/headless/UserInteractionsHeadless.cpp b/src/headless/UserInteractionsHeadless.cpp
deleted file mode 100644
index 6d2d38c99ab..00000000000
--- a/src/headless/UserInteractionsHeadless.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-#include "UserInteractions.h"
-#include <iostream>
-#include <iomanip>
-
-#if MAC
-#include <execinfo.h>
-#endif
-
-void headlessStackDump()
-{
-#if MAC
-    void *callstack[128];
-    int i, frames = backtrace(callstack, 128);
-    char **strs = backtrace_symbols(callstack, frames);
-    for (i = 1; i < 6; ++i)
-    {
-        fprintf(stderr, "StackTrace[%3d]: %s\n", i, strs[i]);
-    }
-    free(strs);
-
-#endif
-}
-
-namespace Surge
-{
-namespace UserInteractions
-{
-
-void promptError(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    std::cerr << "Surge Error\n" << title << "\n" << message << "\n" << std::flush;
-    headlessStackDump();
-}
-
-void promptInfo(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    std::cerr << "Surge Info\n" << title << "\n" << message << "\n" << std::flush;
-    headlessStackDump();
-}
-
-MessageResult promptOKCancel(const std::string &message, const std::string &title,
-                             SurgeGUIEditor *guiEditor)
-{
-    std::cerr << "Surge OkCancel\n"
-              << title << "\n"
-              << message << "\n"
-              << "Returning CANCEL" << std::flush;
-    headlessStackDump();
-    return UserInteractions::CANCEL;
-}
-
-void openURL(const std::string &url) {}
-void showHTML(const std::string &html) { std::cerr << "SURGE HTML: " << html << std::endl; }
-
-void promptFileOpenDialog(const std::string &initialDirectory, const std::string &filterSuffix,
-                          const std::string &filterDescription,
-                          std::function<void(std::string)> callbackOnOpen, bool od, bool cd,
-                          SurgeGUIEditor *guiEditor)
-{
-    UserInteractions::promptError(
-        "Open file dialog is not implemented in this version of Surge. Sorry!",
-        "Unimplemented Function", guiEditor);
-}
-}; // namespace UserInteractions
-
-}; // namespace Surge
diff --git a/src/linux/UserInteractionsLinux.cpp b/src/linux/UserInteractionsLinux.cpp
deleted file mode 100644
index 4edc2d75e97..00000000000
--- a/src/linux/UserInteractionsLinux.cpp
+++ /dev/null
@@ -1,249 +0,0 @@
-#include "UserInteractions.h"
-#include <iostream>
-#include <iomanip>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <string.h>
-#include <thread>
-#include <sstream>
-
-/*
-** In June 2019, @baconpaul chose to implement these with an attempt
-** to fork/exec a zenity. (He also did this for mini edit). This is not
-** ideal. Properly you would somehow asynchronously interact with
-** vstgui and so on, which @jjs started. But we kinda gotta do something.
-**
-** If you want to come along and rip out these zenity calls and replace them
-** with vstgui, please do so! This is purely tactical stuff to get us
-** not silently failing.
-*/
-namespace Surge
-{
-
-namespace UserInteractions
-{
-
-/*
- * Setting this unsets LD_LIB_PATH for the zenity spawns for error and file open.
- * The rest are left as an exercise for someone else to do!
- */
-static bool isArdour = false;
-void useWorkaroundsForArdoursAncientGTK(bool b) { isArdour = true; }
-
-// @jpcima: string quoting for shell commands to use wfith popen.
-static std::string escapeForPosixShell(const std::string &str)
-{
-    std::string esc;
-    esc.reserve(2 * str.size());
-
-    // 1. if it's a newline, write it verbatim enclosed in single-quotes;
-    // 2. if it's a letter or digit, write it verbatim;
-    // 3. otherwise, prefix it with a backward slash.
-
-    for (char c : str)
-    {
-        if (c == '\n')
-            esc.append("'\n'");
-        else
-        {
-            bool isAlphaNum =
-                (c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
-            if (!isAlphaNum)
-                esc.push_back('\\');
-            esc.push_back(c);
-        }
-    }
-
-    return esc;
-}
-
-void promptError(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    if (isArdour)
-    {
-        /*
-        You would think this would work! But it drops the display environment so it does not.
-        If you would like to improve this code, we welcome pull requests!
-        if (vfork() == 0)
-        {
-            const char *args[] = { "zenity", "--error", "--text", message.c_str(), "--title",
-        title.c_str(), nullptr }; const char *ardourEnv[] = { "LD_LIBRARY_PATH=", nullptr }; if
-        (execvpe("zenity", (char * const*)args, (char * const*)ardourEnv) < 0)
-            {
-                _exit(0);
-            }
-        }*/
-        std::string zc = "LD_LIBRARY_PATH= zenity --error --text \"";
-        zc += message + "\" --title \"" + title + "\"";
-        std::cout << "About to run [" << zc << "]" << std::endl;
-        if (!system(zc.c_str()))
-            std::cout << "Can't run zenity. Oh well." << std::endl;
-    }
-    else
-    {
-        if (vfork() == 0)
-        {
-            if (execlp("zenity", "zenity", "--error", "--text", message.c_str(), "--title",
-                       title.c_str(), (char *)nullptr) < 0)
-            {
-                _exit(0);
-            }
-        }
-    }
-    std::cerr << "Surge Error\n" << title << "\n" << message << "\n" << std::flush;
-}
-
-void promptInfo(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    if (isArdour)
-    {
-        promptError(message, title, guiEditor);
-    }
-    else if (vfork() == 0)
-    {
-        if (execlp("zenity", "zenity", "--info", "--text", message.c_str(), "--title",
-                   title.c_str(), (char *)nullptr) < 0)
-        {
-            _exit(0);
-        }
-    }
-    std::cerr << "Surge Error\n" << title << "\n" << message << "\n" << std::flush;
-}
-
-MessageResult promptOKCancel(const std::string &message, const std::string &title,
-                             SurgeGUIEditor *guiEditor)
-{
-    size_t pid = vfork();
-
-    if (pid < 0)
-    {
-        std::cerr << "Surge Error: vfork has failed\n";
-        return UserInteractions::CANCEL;
-    }
-    else if (pid == 0)
-    {
-        execlp("zenity", "zenity", "--question", "--text", message.c_str(), "--title",
-               title.c_str(), (char *)nullptr);
-        _exit(65);
-    }
-
-    int wret;
-    int wstatus;
-    while ((wret = waitpid(pid, &wstatus, 0)) == -1 && errno == EINTR)
-        /* wait interrupted by signal, try again */;
-
-    if (wret == -1)
-    {
-        std::cerr << "Surge Error: waitpid has failed, \"" << strerror(errno) << "\"\n";
-        return UserInteractions::CANCEL;
-    }
-
-    auto status = WEXITSTATUS(wstatus);
-    switch (status)
-    {
-    case 0:
-    case 65:
-        // zenity worked or was not installed
-        return UserInteractions::OK;
-    default:
-        return UserInteractions::CANCEL;
-    }
-}
-
-void openURL(const std::string &url)
-{
-    if (vfork() == 0)
-    {
-        if (execlp("xdg-open", "xdg-open", url.c_str(), (char *)nullptr) < 0)
-        {
-            _exit(0);
-        }
-    }
-}
-
-void showHTML(const std::string &html)
-{
-    // FIXME - there's proper APIs for this that crash on MacOS
-    std::ostringstream fns;
-    fns << "/tmp/surge-data." << rand() << ".html";
-
-    FILE *f = fopen(fns.str().c_str(), "w");
-    if (f)
-    {
-        fprintf(f, "%s", html.c_str());
-        fclose(f);
-        std::string url = std::string("file://") + fns.str();
-        openURL(url);
-    }
-}
-
-void openFolderInFileBrowser(const std::string &folder)
-{
-    std::string url = "file://" + folder;
-    UserInteractions::openURL(url);
-}
-
-void promptFileOpenDialog(const std::string &initialDirectory, const std::string &filterSuffix,
-                          const std::string &filterDescription,
-                          std::function<void(std::string)> callbackOnOpen,
-                          bool canSelectDirectories, bool canCreateDirectories,
-                          SurgeGUIEditor *guiEditor)
-{
-    /*
-    ** This is a blocking model which will cause us problems I am sure
-    */
-
-    std::string zenityCommand;
-    zenityCommand.reserve(1024);
-
-    if (isArdour)
-        zenityCommand.append("LD_LIBRARY_PATH= ");
-
-    zenityCommand.append("zenity --file-selection");
-
-    if (!initialDirectory.empty())
-    {
-        zenityCommand.append(" --filename=");
-        zenityCommand.append(escapeForPosixShell(initialDirectory));
-        zenityCommand.push_back('/'); // makes it handled as directory
-    }
-
-    if (!filterSuffix.empty())
-    {
-        zenityCommand.append(" --file-filter=");
-        zenityCommand.append(escapeForPosixShell("*" + filterSuffix));
-    }
-
-    if (canSelectDirectories)
-        zenityCommand.append(" --directory");
-
-    // option not implemented
-    (void)canCreateDirectories;
-
-    std::cout << "Zenity command is '" << zenityCommand << "'" << std::endl;
-    FILE *z = popen(zenityCommand.c_str(), "r");
-    if (!z)
-    {
-        return;
-    }
-
-    std::string result; // not forcing a fixed limit on length, depends on fs
-    result.reserve(1024);
-
-    char buffer[1024];
-    for (size_t count; (count = fread(buffer, 1, sizeof(buffer), z)) > 0;)
-        result.append(buffer, count);
-
-    pclose(z);
-
-    // eliminate the final newline
-    if (!result.empty() && result.back() == '\n')
-        result.pop_back();
-
-    if (!result.empty()) // it's empty if the user cancelled
-        callbackOnOpen(result);
-}
-}; // namespace UserInteractions
-
-}; // namespace Surge
diff --git a/src/mac/UserInteractionsMac.mm b/src/mac/UserInteractionsMac.mm
deleted file mode 100644
index b1d0425db59..00000000000
--- a/src/mac/UserInteractionsMac.mm
+++ /dev/null
@@ -1,150 +0,0 @@
-#include "UserInteractions.h"
-#include <CoreFoundation/CoreFoundation.h>
-#include <CoreServices/CoreServices.h>
-#include <ApplicationServices/ApplicationServices.h>
-#include <AppKit/AppKit.h>
-
-#include <iostream>
-#include <sstream>
-#include <unistd.h>
-
-namespace Surge
-{
-
-namespace UserInteractions
-{
-
-void promptError(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    CFStringRef cfT =
-        CFStringCreateWithCString(kCFAllocatorDefault, title.c_str(), kCFStringEncodingUTF8);
-    CFStringRef cfM =
-        CFStringCreateWithCString(kCFAllocatorDefault, message.c_str(), kCFStringEncodingUTF8);
-
-    SInt32 nRes = 0;
-    CFUserNotificationRef pDlg = NULL;
-    const void *keys[] = {kCFUserNotificationAlertHeaderKey, kCFUserNotificationAlertMessageKey};
-    const void *vals[] = {cfT, cfM};
-
-    CFDictionaryRef dict =
-        CFDictionaryCreate(0, keys, vals, sizeof(keys) / sizeof(*keys),
-                           &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
-
-    pDlg = CFUserNotificationCreate(kCFAllocatorDefault, 0, kCFUserNotificationStopAlertLevel,
-                                    &nRes, dict);
-
-    CFRelease(cfT);
-    CFRelease(cfM);
-}
-
-void promptInfo(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    CFStringRef cfT =
-        CFStringCreateWithCString(kCFAllocatorDefault, title.c_str(), kCFStringEncodingUTF8);
-    CFStringRef cfM =
-        CFStringCreateWithCString(kCFAllocatorDefault, message.c_str(), kCFStringEncodingUTF8);
-
-    SInt32 nRes = 0;
-    CFUserNotificationRef pDlg = NULL;
-    const void *keys[] = {kCFUserNotificationAlertHeaderKey, kCFUserNotificationAlertMessageKey};
-    const void *vals[] = {cfT, cfM};
-
-    CFDictionaryRef dict =
-        CFDictionaryCreate(0, keys, vals, sizeof(keys) / sizeof(*keys),
-                           &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
-
-    pDlg = CFUserNotificationCreate(kCFAllocatorDefault, 0, kCFUserNotificationNoteAlertLevel,
-                                    &nRes, dict);
-
-    CFRelease(cfT);
-    CFRelease(cfM);
-}
-
-MessageResult promptOKCancel(const std::string &message, const std::string &title,
-                             SurgeGUIEditor *guiEditor)
-{
-    CFStringRef cfT =
-        CFStringCreateWithCString(kCFAllocatorDefault, title.c_str(), kCFStringEncodingUTF8);
-    CFStringRef cfM =
-        CFStringCreateWithCString(kCFAllocatorDefault, message.c_str(), kCFStringEncodingUTF8);
-
-    CFOptionFlags responseFlags;
-    CFUserNotificationDisplayAlert(0, kCFUserNotificationPlainAlertLevel, 0, 0, 0, cfT, cfM,
-                                   CFSTR("OK"), CFSTR("Cancel"), 0, &responseFlags);
-
-    CFRelease(cfT);
-    CFRelease(cfM);
-
-    if ((responseFlags & 0x3) != kCFUserNotificationDefaultResponse)
-        return UserInteractions::CANCEL;
-    return UserInteractions::OK;
-}
-
-void openURL(const std::string &url_str)
-{
-    CFURLRef url = CFURLCreateWithBytes(NULL,                     // allocator
-                                        (UInt8 *)url_str.c_str(), // URLBytes
-                                        url_str.length(),         // length
-                                        kCFStringEncodingASCII,   // encoding
-                                        NULL                      // baseURL
-    );
-    LSOpenCFURLRef(url, 0);
-    CFRelease(url);
-}
-
-void showHTML(const std::string &html)
-{
-    // Why does mktemp crash on macos I wonder?
-    std::ostringstream fns;
-    fns << "/var/tmp/surge-data." << rand() << ".html";
-
-    FILE *f = fopen(fns.str().c_str(), "w");
-    if (f)
-    {
-        fprintf(f, "%s", html.c_str());
-        fclose(f);
-        std::string url = std::string("file://") + fns.str();
-        openURL(url);
-    }
-}
-
-void openFolderInFileBrowser(const std::string &folder)
-{
-    std::string url = "file://" + folder;
-    UserInteractions::openURL(url);
-}
-
-void promptFileOpenDialog(const std::string &initialDirectory, const std::string &filterSuffix,
-                          const std::string &filterDescription,
-                          std::function<void(std::string)> callbackOnOpen,
-                          bool canSelectDirectories, bool canCreateDirectories,
-                          SurgeGUIEditor *guiEditor)
-{
-    // FIXME TODO - support the filterSuffix and initialDirectory
-    NSOpenPanel *panel = [NSOpenPanel openPanel];
-    [panel setCanChooseDirectories:canSelectDirectories];
-    [panel setCanCreateDirectories:canCreateDirectories];
-    [panel
-        setDirectoryURL:[NSURL
-                            fileURLWithPath:[NSString
-                                                stringWithUTF8String:(initialDirectory.c_str())]]];
-
-    // Logic and others have wierd window ordering which can mean this somethimes pops behind.
-    // See #1001.
-    [panel makeKeyAndOrderFront:panel];
-    [panel setLevel:CGShieldingWindowLevel()];
-
-    [panel beginWithCompletionHandler:^(NSInteger result) {
-      if (result == NSFileHandlingPanelOKButton)
-      {
-          NSURL *theDoc = [[panel URLs] objectAtIndex:0];
-          NSString *path = [theDoc path];
-          std::string pstring([path UTF8String]);
-          callbackOnOpen(pstring);
-      }
-    }];
-}
-
-};
-
-};
diff --git a/src/surge_effects_bank/UserInteractionsJUCE.cpp b/src/surge_effects_bank/UserInteractionsJUCE.cpp
deleted file mode 100644
index 6d2d38c99ab..00000000000
--- a/src/surge_effects_bank/UserInteractionsJUCE.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-#include "UserInteractions.h"
-#include <iostream>
-#include <iomanip>
-
-#if MAC
-#include <execinfo.h>
-#endif
-
-void headlessStackDump()
-{
-#if MAC
-    void *callstack[128];
-    int i, frames = backtrace(callstack, 128);
-    char **strs = backtrace_symbols(callstack, frames);
-    for (i = 1; i < 6; ++i)
-    {
-        fprintf(stderr, "StackTrace[%3d]: %s\n", i, strs[i]);
-    }
-    free(strs);
-
-#endif
-}
-
-namespace Surge
-{
-namespace UserInteractions
-{
-
-void promptError(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    std::cerr << "Surge Error\n" << title << "\n" << message << "\n" << std::flush;
-    headlessStackDump();
-}
-
-void promptInfo(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    std::cerr << "Surge Info\n" << title << "\n" << message << "\n" << std::flush;
-    headlessStackDump();
-}
-
-MessageResult promptOKCancel(const std::string &message, const std::string &title,
-                             SurgeGUIEditor *guiEditor)
-{
-    std::cerr << "Surge OkCancel\n"
-              << title << "\n"
-              << message << "\n"
-              << "Returning CANCEL" << std::flush;
-    headlessStackDump();
-    return UserInteractions::CANCEL;
-}
-
-void openURL(const std::string &url) {}
-void showHTML(const std::string &html) { std::cerr << "SURGE HTML: " << html << std::endl; }
-
-void promptFileOpenDialog(const std::string &initialDirectory, const std::string &filterSuffix,
-                          const std::string &filterDescription,
-                          std::function<void(std::string)> callbackOnOpen, bool od, bool cd,
-                          SurgeGUIEditor *guiEditor)
-{
-    UserInteractions::promptError(
-        "Open file dialog is not implemented in this version of Surge. Sorry!",
-        "Unimplemented Function", guiEditor);
-}
-}; // namespace UserInteractions
-
-}; // namespace Surge
diff --git a/src/surge_synth_juce/SurgeSynthEditor.cpp b/src/surge_synth_juce/SurgeSynthEditor.cpp
index 1fb0767f245..75241ba7a5b 100644
--- a/src/surge_synth_juce/SurgeSynthEditor.cpp
+++ b/src/surge_synth_juce/SurgeSynthEditor.cpp
@@ -137,12 +137,4 @@ VSTGUI::CRect getScreenDimensions(VSTGUI::CFrame *)
 }
 } // namespace GUI
 
-namespace UserInteractions
-{
-/*
- * This means I have a link wrong
- */
-void openFolderInFileBrowser(const std::string &folder) {}
-
-} // namespace UserInteractions
 } // namespace Surge
diff --git a/src/surge_synth_juce/SurgeSynthEditor.h b/src/surge_synth_juce/SurgeSynthEditor.h
index af393928a60..cfb05fa1591 100644
--- a/src/surge_synth_juce/SurgeSynthEditor.h
+++ b/src/surge_synth_juce/SurgeSynthEditor.h
@@ -16,6 +16,8 @@
 
 #include "SurgeSynthProcessor.h"
 
+class SurgeGUIEditor;
+
 //==============================================================================
 /**
  */
diff --git a/src/surge_synth_juce/SurgeSynthInteractionsImpl.h b/src/surge_synth_juce/SurgeSynthInteractionsImpl.h
deleted file mode 100644
index 4899a3a5d72..00000000000
--- a/src/surge_synth_juce/SurgeSynthInteractionsImpl.h
+++ /dev/null
@@ -1,73 +0,0 @@
-//
-// Created by Paul Walker on 4/10/21.
-//
-
-#ifndef SURGE_SURGESYNTHINTERACTIONSIMPL_H
-#define SURGE_SURGESYNTHINTERACTIONSIMPL_H
-
-#include <JuceHeader.h>
-#include "SurgeSynthInteractionsInterface.h"
-#include "SurgeGUIEditor.h" // bit of a hack
-
-struct SurgeSynthInteractionsImpl : public SurgeSynthInteractionsInterface
-{
-    void promptError(const std::string &message, const std::string &title,
-                     SurgeGUIEditor *guiEditor)
-    {
-        juce::AlertWindow::showMessageBox(juce::AlertWindow::WarningIcon, title, message);
-    }
-    void promptInfo(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-    {
-        juce::AlertWindow::showMessageBox(juce::AlertWindow::InfoIcon, title, message);
-    }
-    virtual Surge::UserInteractions::MessageResult
-    promptOKCancel(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-    {
-        // return Surge::UserInteractions::CANCEL;
-        auto res = juce::AlertWindow::showOkCancelBox(juce::AlertWindow::InfoIcon, title, message,
-                                                      "OK", "Cancel", nullptr, nullptr);
-        if (res)
-            return Surge::UserInteractions::OK;
-        else
-            return Surge::UserInteractions::CANCEL;
-    }
-    virtual void openURL(const std::string &url) { juce::URL(url).launchInDefaultBrowser(); };
-    virtual void showHTML(const std::string &html)
-    {
-        static struct filesToDelete : juce::DeletedAtShutdown
-        {
-            ~filesToDelete()
-            {
-                for (const auto &d : deleteThese)
-                {
-                    d.deleteFile();
-                }
-            }
-            std::vector<juce::File> deleteThese;
-        } *byebyeOnExit = new filesToDelete();
-
-        auto f = juce::File::createTempFile("_surge.html");
-        f.replaceWithText(html);
-        auto U = juce::URL(f);
-        U.launchInDefaultBrowser();
-        byebyeOnExit->deleteThese.push_back(f);
-    };
-
-    virtual void promptFileOpenDialog(const std::string &initialDirectory,
-                                      const std::string &filterSuffix,
-                                      const std::string &filterDescription,
-                                      std::function<void(std::string)> callbackOnOpen,
-                                      bool canSelectDirectories, bool canCreateDirectories,
-                                      SurgeGUIEditor *guiEditor)
-    {
-        juce::FileChooser c("Select File", juce::File(initialDirectory));
-        auto r = c.browseForFileToOpen();
-        if (r)
-        {
-            auto res = c.getResult();
-            callbackOnOpen(res.getFullPathName().toStdString());
-        }
-    }
-};
-
-#endif // SURGE_SURGESYNTHINTERACTIONSIMPL_H
diff --git a/src/surge_synth_juce/SurgeSynthInteractionsInterface.h b/src/surge_synth_juce/SurgeSynthInteractionsInterface.h
deleted file mode 100644
index 4348ea692c0..00000000000
--- a/src/surge_synth_juce/SurgeSynthInteractionsInterface.h
+++ /dev/null
@@ -1,36 +0,0 @@
-//
-// Created by Paul Walker on 4/10/21.
-//
-
-#ifndef SURGE_SURGESYNTHINTERACTIONSINTERFACE_H
-#define SURGE_SURGESYNTHINTERACTIONSINTERFACE_H
-
-#include <string>
-#include <atomic>
-#include "UserInteractions.h"
-
-class SurgeGUIEditor;
-struct SurgeSynthInteractionsInterface
-{
-    static std::atomic<SurgeSynthInteractionsInterface *> impl;
-
-    virtual ~SurgeSynthInteractionsInterface() = default;
-    virtual void promptError(const std::string &message, const std::string &title,
-                             SurgeGUIEditor *guiEditor) = 0;
-    virtual void promptInfo(const std::string &message, const std::string &title,
-                            SurgeGUIEditor *guiEditor) = 0;
-    virtual Surge::UserInteractions::MessageResult promptOKCancel(const std::string &message,
-                                                                  const std::string &title,
-                                                                  SurgeGUIEditor *guiEditor) = 0;
-    virtual void openURL(const std::string &url) = 0;
-    virtual void showHTML(const std::string &html) = 0;
-    virtual void promptFileOpenDialog(const std::string &initialDirectory,
-                                      const std::string &filterSuffix,
-                                      const std::string &filterDescription,
-                                      std::function<void(std::string)> callbackOnOpen,
-                                      bool canSelectDirectories = false,
-                                      bool canCreateDirectories = false,
-                                      SurgeGUIEditor *guiEditor = nullptr) = 0;
-};
-
-#endif // SURGE_SURGESYNTHINTERACTIONSINTERFACE_H
diff --git a/src/surge_synth_juce/SurgeSynthProcessor.cpp b/src/surge_synth_juce/SurgeSynthProcessor.cpp
index 7b7d16aef97..3c2b0c1612c 100644
--- a/src/surge_synth_juce/SurgeSynthProcessor.cpp
+++ b/src/surge_synth_juce/SurgeSynthProcessor.cpp
@@ -13,7 +13,6 @@
 #include "DebugHelpers.h"
 #include "SurgeSynthFlavorExtensions.h"
 #include "version.h"
-#include "SurgeSynthInteractionsImpl.h"
 
 using namespace juce;
 
@@ -26,11 +25,6 @@ SurgeSynthProcessor::SurgeSynthProcessor()
                          .withOutput("Scene B", AudioChannelSet::stereo(), false))
 {
     std::cout << "SurgeXT : Version " << Surge::Build::FullVersionStr << std::endl;
-    if (!SurgeSynthInteractionsInterface::impl.load())
-    {
-        // FIXME - this leaks. We will rework this in XT anyway
-        SurgeSynthInteractionsImpl::impl = new SurgeSynthInteractionsImpl();
-    }
     surge = std::make_unique<SurgeSynthesizer>(this);
 
     std::map<unsigned int, std::vector<std::unique_ptr<juce::AudioProcessorParameter>>> parByGroup;
diff --git a/src/surge_synth_juce/UserInteractionsJUCE_Synth_XT.cpp b/src/surge_synth_juce/UserInteractionsJUCE_Synth_XT.cpp
deleted file mode 100644
index 66987f3c3c4..00000000000
--- a/src/surge_synth_juce/UserInteractionsJUCE_Synth_XT.cpp
+++ /dev/null
@@ -1,97 +0,0 @@
-#include "UserInteractions.h"
-#include "SurgeSynthInteractionsInterface.h"
-#include <iostream>
-
-#if MAC
-#include <execinfo.h>
-#endif
-
-std::atomic<SurgeSynthInteractionsInterface *> SurgeSynthInteractionsInterface::impl(0);
-
-void headlessStackDump()
-{
-#if MAC
-    void *callstack[128];
-    int i, frames = backtrace(callstack, 128);
-    char **strs = backtrace_symbols(callstack, frames);
-    for (i = 1; i < 6; ++i)
-    {
-        std::cout << "StackTrace[" << i << "]" << strs[i] << std::endl;
-    }
-    free(strs);
-
-#endif
-}
-
-namespace Surge
-{
-namespace UserInteractions
-{
-
-void promptError(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    if (SurgeSynthInteractionsInterface::impl.load())
-    {
-        SurgeSynthInteractionsInterface::impl.load()->promptError(message, title, guiEditor);
-    }
-    else
-    {
-        std::cerr << "SurgeXT Error[" << title << "]\n" << message << std::endl;
-        headlessStackDump();
-    }
-}
-
-void promptInfo(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    if (SurgeSynthInteractionsInterface::impl.load())
-    {
-        SurgeSynthInteractionsInterface::impl.load()->promptInfo(message, title, guiEditor);
-    }
-    else
-    {
-        std::cerr << "SurgeXT Info\n" << title << "\n" << message << "\n" << std::flush;
-        headlessStackDump();
-    }
-}
-
-MessageResult promptOKCancel(const std::string &message, const std::string &title,
-                             SurgeGUIEditor *guiEditor)
-{
-    std::cerr << "Surge OkCancel\n"
-              << title << "\n"
-              << message << "\n"
-              << "Returning CANCEL" << std::flush;
-    headlessStackDump();
-    return UserInteractions::CANCEL;
-}
-
-void openURL(const std::string &url)
-{
-    if (SurgeSynthInteractionsInterface::impl.load())
-    {
-        SurgeSynthInteractionsInterface::impl.load()->openURL(url);
-    }
-}
-void showHTML(const std::string &html)
-{
-    if (SurgeSynthInteractionsInterface::impl.load())
-    {
-        SurgeSynthInteractionsInterface::impl.load()->showHTML(html);
-    }
-}
-
-void promptFileOpenDialog(const std::string &initialDirectory, const std::string &filterSuffix,
-                          const std::string &filterDescription,
-                          std::function<void(std::string)> callbackOnOpen, bool od, bool cd,
-                          SurgeGUIEditor *guiEditor)
-{
-    if (SurgeSynthInteractionsInterface::impl.load())
-    {
-        SurgeSynthInteractionsInterface::impl.load()->promptFileOpenDialog(
-            initialDirectory, filterSuffix, filterDescription, callbackOnOpen, od, cd, guiEditor);
-    }
-}
-
-}; // namespace UserInteractions
-
-}; // namespace Surge
diff --git a/src/windows/UserInteractionsWin.cpp b/src/windows/UserInteractionsWin.cpp
deleted file mode 100644
index 8645a5c9aa8..00000000000
--- a/src/windows/UserInteractionsWin.cpp
+++ /dev/null
@@ -1,173 +0,0 @@
-#include "UserInteractions.h"
-
-#include <windows.h>
-#include <shlobj.h>
-#include <commdlg.h>
-#include <string>
-#include <fstream>
-#include <sstream>
-#include <system_error>
-
-namespace
-{
-
-std::string wideToUtf8(const std::wstring &wide)
-{
-    if (wide.empty())
-        return std::string();
-
-    const auto size = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, wide.c_str(), wide.size(),
-                                          nullptr, 0, nullptr, nullptr);
-    if (size)
-    {
-        std::string utf8;
-        utf8.resize(size);
-        if (WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, wide.c_str(), wide.size(), &utf8[0],
-                                utf8.size(), nullptr, nullptr))
-            return utf8;
-    }
-    throw std::system_error(GetLastError(), std::system_category());
-}
-
-std::wstring utf8ToWide(const std::string &utf8)
-{
-    if (utf8.empty())
-        return std::wstring();
-
-    const auto size =
-        MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, utf8.c_str(), utf8.size(), nullptr, 0);
-    if (size)
-    {
-        std::wstring wide;
-        wide.resize(size);
-        if (MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, utf8.c_str(), utf8.size(), &wide[0],
-                                wide.size()))
-            return wide;
-    }
-    throw std::system_error(GetLastError(), std::system_category());
-}
-
-void browseFolder(const std::string &initialDirectory,
-                  const std::function<void(std::string)> &callbackOnOpen)
-{
-    struct BrowseCallback
-    {
-        static int CALLBACK proc(HWND hwnd, UINT uMsg, LPARAM, LPARAM lpData)
-        {
-            if (uMsg == BFFM_INITIALIZED)
-                SendMessage(hwnd, BFFM_SETSELECTION, TRUE, lpData);
-            return 0;
-        }
-    };
-
-    auto path_param = utf8ToWide(initialDirectory);
-
-    BROWSEINFO bi{};
-    bi.lpszTitle = L"Browse for folder...";
-    bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_NEWDIALOGSTYLE;
-    bi.lpfn = BrowseCallback::proc;
-    bi.lParam = LPARAM(path_param.c_str());
-
-    if (auto pidl = SHBrowseForFolder(&bi))
-    {
-        WCHAR path[MAX_PATH];
-        SHGetPathFromIDList(&*pidl, path);
-        CoTaskMemFree(pidl);
-        callbackOnOpen(wideToUtf8(path));
-    }
-}
-
-} // anonymous namespace
-
-namespace Surge::UserInteractions
-{
-
-void promptError(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    MessageBox(::GetActiveWindow(), utf8ToWide(message).c_str(), utf8ToWide(title).c_str(),
-               MB_OK | MB_ICONERROR);
-}
-
-void promptInfo(const std::string &message, const std::string &title, SurgeGUIEditor *guiEditor)
-{
-    MessageBox(::GetActiveWindow(), utf8ToWide(message).c_str(), utf8ToWide(title).c_str(),
-               MB_OK | MB_ICONINFORMATION);
-}
-
-MessageResult promptOKCancel(const std::string &message, const std::string &title,
-                             SurgeGUIEditor *guiEditor)
-{
-    if (MessageBox(::GetActiveWindow(), utf8ToWide(message).c_str(), utf8ToWide(title).c_str(),
-                   MB_YESNO | MB_ICONQUESTION) != IDYES)
-        return UserInteractions::CANCEL;
-
-    return UserInteractions::OK;
-}
-
-void openURL(const std::string &url)
-{
-    ShellExecute(nullptr, L"open", utf8ToWide(url).c_str(), nullptr, nullptr, SW_SHOWNORMAL);
-}
-
-void showHTML(const std::string &html)
-{
-    WCHAR pathBuf[MAX_PATH];
-    if (!GetTempPath(MAX_PATH, pathBuf))
-        return;
-
-    // Prepending file:// opens in the browser instead of the associated app for .html (which might
-    // be unset)
-    std::wostringstream fns;
-    fns << L"file://" << pathBuf << L"surge-data." << rand() << L".html";
-
-    auto fileName(fns.str());
-    std::ofstream out(fileName.c_str() + 7);
-    if (out << html << std::flush)
-        ShellExecute(nullptr, L"open", fileName.c_str(), nullptr, nullptr, SW_SHOWNORMAL);
-}
-
-void openFolderInFileBrowser(const std::string &folder) { openURL(folder); }
-
-void promptFileOpenDialog(const std::string &initialDirectory, const std::string &filterSuffix,
-                          const std::string &filterDescription,
-                          std::function<void(std::string)> callbackOnOpen,
-                          bool canSelectDirectories, bool canCreateDirectories,
-                          SurgeGUIEditor *guiEditor)
-{
-    if (canSelectDirectories)
-    {
-        browseFolder(initialDirectory, callbackOnOpen);
-        return;
-    }
-
-    // With many thanks to
-    // https://www.daniweb.com/programming/software-development/code/217307/a-simple-getopenfilename-example
-
-    // this also helped!
-    // https://stackoverflow.com/questions/34201213/c-lpstr-and-string-trouble-with-zero-terminated-strings
-    std::wstring fullFilter;
-    fullFilter.append(utf8ToWide(filterDescription));
-    fullFilter.push_back(0);
-    fullFilter.append(utf8ToWide("*" + filterSuffix));
-    fullFilter.push_back(0);
-
-    std::wstring initialDirectoryNative(utf8ToWide(initialDirectory));
-    WCHAR szFile[1024];
-    OPENFILENAME ofn = {};
-    ofn.lStructSize = sizeof(ofn);
-    ofn.hwndOwner = nullptr;
-    ofn.lpstrFile = szFile;
-    ofn.lpstrFile[0] = 0;
-    ofn.nMaxFile = std::size(szFile);
-    ofn.lpstrFilter = fullFilter.c_str();
-    ofn.nFilterIndex = 0;
-    ofn.lpstrFileTitle = nullptr;
-    ofn.nMaxFileTitle = 0;
-    ofn.lpstrInitialDir = initialDirectoryNative.c_str();
-    ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
-
-    if (GetOpenFileName(&ofn))
-        callbackOnOpen(wideToUtf8(ofn.lpstrFile));
-}
-
-} // namespace Surge::UserInteractions