diff --git a/src/windows.rs b/src/windows.rs
index a92db31..96f5712 100644
--- a/src/windows.rs
+++ b/src/windows.rs
@@ -11,8 +11,8 @@ const TASK_MANAGER_OVERRIDE_REGKEY: &str =
 const TASK_MANAGER_OVERRIDE_ENABLED_VALUE: [u8; 12] = [
     0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 ];
-const E_ACCESSDENIED: u32 = 0x80070005;
-const E_FILENOTFOUND: u32 = 0x80070002;
+const E_ACCESSDENIED: HRESULT = HRESULT::from_win32(0x80070005_u32);
+const E_FILENOTFOUND: HRESULT = HRESULT::from_win32(0x80070002_u32);
 
 /// Windows implement
 impl AutoLaunch {
@@ -41,7 +41,7 @@ impl AutoLaunch {
     pub fn enable(&self) -> Result<()> {
         self.enable_as_admin()
             .or_else(|e| {
-                if e.code() == windows_result::HRESULT(E_ACCESSDENIED as i32) {
+                if e.code() == E_ACCESSDENIED {
                     self.enable_as_current_user()
                 } else {
                     Err(e)
@@ -92,7 +92,7 @@ impl AutoLaunch {
     pub fn disable(&self) -> Result<()> {
         self.disable_as_admin()
             .or_else(|e| {
-                if e.code() == HRESULT(E_ACCESSDENIED as i32) {
+                if e.code() == E_ACCESSDENIED {
                     self.disable_as_current_user()
                 } else {
                     Err(e)
@@ -118,9 +118,7 @@ impl AutoLaunch {
     pub fn is_enabled(&self) -> Result<bool> {
         let res = match self.is_enabled_as_admin() {
             Ok(false) => self.is_enabled_as_current_user(),
-            Err(e) if e.code() == HRESULT(E_ACCESSDENIED as i32) => {
-                self.is_enabled_as_current_user()
-            }
+            Err(e) if e.code() == E_ACCESSDENIED => self.is_enabled_as_current_user(),
             Ok(enabled) => Ok(enabled),
             Err(e) => Err(e),
         }
@@ -134,7 +132,7 @@ impl AutoLaunch {
             .get_string(&self.app_name)
             .map(|_| true)
             .or_else(|e| {
-                if e.code() == HRESULT(E_FILENOTFOUND as i32) {
+                if e.code() == E_FILENOTFOUND {
                     Ok(false)
                 } else {
                     Err(e)
@@ -152,7 +150,7 @@ impl AutoLaunch {
             .get_string(&self.app_name)
             .map(|_| true)
             .or_else(|e| {
-                if e.code() == HRESULT(E_FILENOTFOUND as i32) {
+                if e.code() == E_FILENOTFOUND {
                     Ok(false)
                 } else {
                     Err(e)