diff --git a/components/brave_rewards/browser/rewards_service_impl.cc b/components/brave_rewards/browser/rewards_service_impl.cc
index 8edf02c92d65..9af6d4861bd0 100644
--- a/components/brave_rewards/browser/rewards_service_impl.cc
+++ b/components/brave_rewards/browser/rewards_service_impl.cc
@@ -216,17 +216,6 @@ bool ResetOnFileTaskRunner(const base::FilePath& path) {
   return base::DeleteFile(path, false);
 }
 
-bool ResetOnFilesTaskRunner(const std::vector<base::FilePath>& paths) {
-  bool res = true;
-  for (size_t i = 0; i < paths.size(); i++) {
-    if (!base::DeleteFileRecursively(paths[i])) {
-      res = false;
-    }
-  }
-
-  return res;
-}
-
 void EnsureRewardsBaseDirectoryExists(const base::FilePath& path) {
   if (!DirectoryExists(path))
     base::CreateDirectory(path);
@@ -1458,7 +1447,7 @@ void RewardsServiceImpl::SetRewardsMainEnabled(bool enabled) {
 
   if (!enabled) {
     RecordRewardsDisabledForSomeMetrics();
-    StopLedger();
+    StopLedger(base::DoNothing());
   }
 }
 
@@ -1471,7 +1460,7 @@ void RewardsServiceImpl::EnableGreaseLion(const bool enabled) {
   #endif
 }
 
-void RewardsServiceImpl::StopLedger() {
+void RewardsServiceImpl::StopLedger(StopLedgerCallback callback) {
   BLOG(1, "Shutting down ledger process");
   if (!Connected()) {
     BLOG(1, "Ledger process not running");
@@ -1479,17 +1468,62 @@ void RewardsServiceImpl::StopLedger() {
     return;
   }
 
-  bat_ledger_->Shutdown(
-      base::BindOnce(&RewardsServiceImpl::OnStopLedger, AsWeakPtr()));
+  bat_ledger_->Shutdown(base::BindOnce(
+      &RewardsServiceImpl::OnStopLedger,
+      AsWeakPtr(),
+      std::move(callback)));
 }
 
-void RewardsServiceImpl::OnStopLedger(const ledger::Result result) {
+void RewardsServiceImpl::OnStopLedger(
+    StopLedgerCallback callback,
+    const ledger::Result result) {
   BLOG_IF(
       1,
       result != ledger::Result::LEDGER_OK,
       "Ledger process was not shut down successfully");
   Reset();
   BLOG(1, "Successfully shutdown ledger");
+  std::move(callback).Run(result);
+}
+
+void RewardsServiceImpl::OnStopLedgerForCompleteReset(
+    SuccessCallback callback,
+    const ledger::Result result) {
+  profile_->GetPrefs()->ClearPrefsWithPrefixSilently(pref_prefix);
+
+  base::PostTaskAndReplyWithResult(
+      file_task_runner_.get(),
+      FROM_HERE,
+      base::BindOnce(
+          &RewardsServiceImpl::ResetOnFilesTaskRunner,
+          base::Unretained(this)),
+      base::BindOnce(
+          &RewardsServiceImpl::OnCompleteReset,
+          AsWeakPtr(),
+          std::move(callback)));
+}
+
+bool RewardsServiceImpl::ResetOnFilesTaskRunner() {
+  // Close any open files before deleting them (required on Windows)
+  diagnostic_log_.Close();
+
+  const std::vector<base::FilePath> paths = {
+    ledger_state_path_,
+    publisher_state_path_,
+    publisher_info_db_path_,
+    diagnostic_log_path_,
+    publisher_list_path_,
+    rewards_base_path_
+  };
+
+  bool res = true;
+  for (size_t i = 0; i < paths.size(); i++) {
+    if (!base::DeleteFileRecursively(paths[i])) {
+      res = false;
+    }
+  }
+
+  return res;
 }
 
 void RewardsServiceImpl::Reset() {
@@ -2428,6 +2462,10 @@ void RewardsServiceImpl::DiagnosticLog(
     return;
   }
 
+  if (resetting_rewards_) {
+    return;
+  }
+
   if (profile_->IsOffTheRecord()) {
     return;
   }
@@ -3845,41 +3883,33 @@ void RewardsServiceImpl::ClearAllNotifications() {
 }
 
 void RewardsServiceImpl::CompleteReset(SuccessCallback callback) {
+  resetting_rewards_ = true;
+
+  auto* ads_service = brave_ads::AdsServiceFactory::GetForProfile(profile_);
+  if (ads_service) {
+    ads_service->ResetAllState();
+  }
+
+  StopNotificationTimers();
   notification_service_->DeleteAllNotifications(true);
-  std::vector<base::FilePath> paths;
-  paths.push_back(ledger_state_path_);
-  paths.push_back(publisher_state_path_);
-  paths.push_back(publisher_info_db_path_);
-  paths.push_back(diagnostic_log_path_);
-  paths.push_back(publisher_list_path_);
-  paths.push_back(rewards_base_path_);
 
-  base::PostTaskAndReplyWithResult(
-      file_task_runner_.get(),
-      FROM_HERE,
-      base::BindOnce(&ResetOnFilesTaskRunner, paths),
+  auto stop_callback =
       base::BindOnce(
-          &RewardsServiceImpl::OnCompleteReset,
+          &RewardsServiceImpl::OnStopLedgerForCompleteReset,
           AsWeakPtr(),
-          std::move(callback)));
+          std::move(callback));
+  StopLedger(std::move(stop_callback));
 }
 
 void RewardsServiceImpl::OnCompleteReset(
     SuccessCallback callback,
     const bool success) {
-  profile_->GetPrefs()->ClearPrefsWithPrefixSilently(pref_prefix);
-
-  auto* ads_service = brave_ads::AdsServiceFactory::GetForProfile(profile_);
-  if (ads_service) {
-    ads_service->ResetAllState();
-  }
+  resetting_rewards_ = false;
 
   for (auto& observer : observers_) {
     observer.OnCompleteReset(success);
   }
 
-  StopLedger();
-  StopNotificationTimers();
   std::move(callback).Run(true);
 }
 
diff --git a/components/brave_rewards/browser/rewards_service_impl.h b/components/brave_rewards/browser/rewards_service_impl.h
index 9f9ed79ee4ae..3a519eba6929 100644
--- a/components/brave_rewards/browser/rewards_service_impl.h
+++ b/components/brave_rewards/browser/rewards_service_impl.h
@@ -89,6 +89,8 @@ using ExternalWalletAuthorizationCallback =
         const ledger::Result,
         const std::map<std::string, std::string>&)>;
 
+using StopLedgerCallback = base::OnceCallback<void(ledger::Result)>;
+
 class RewardsServiceImpl : public RewardsService,
                            public ledger::LedgerClient,
                            public base::SupportsWeakPtr<RewardsServiceImpl> {
@@ -330,12 +332,19 @@ class RewardsServiceImpl : public RewardsService,
 
   void EnableGreaseLion(const bool enabled);
 
-  void StopLedger();
+  void StopLedger(StopLedgerCallback callback);
 
-  void OnStopLedger(const ledger::Result result);
+  void OnStopLedger(
+      StopLedgerCallback callback,
+      const ledger::Result result);
+  void OnStopLedgerForCompleteReset(
+      SuccessCallback callback,
+      const ledger::Result result);
 
   void Reset();
 
+  bool ResetOnFilesTaskRunner();
+
   void OnCreate();
 
   void OnResult(ledger::ResultCallback callback, const ledger::Result result);
@@ -761,6 +770,7 @@ class RewardsServiceImpl : public RewardsService,
   bool reset_states_;
   bool is_wallet_initialized_ = false;
   bool ledger_for_testing_ = false;
+  bool resetting_rewards_ = false;
 
   GetTestResponseCallback test_response_callback_;