diff --git a/Dotnet/AppApi/GameHandler.cs b/Dotnet/AppApi/GameHandler.cs
index 75c72c3a..3544bed0 100644
--- a/Dotnet/AppApi/GameHandler.cs
+++ b/Dotnet/AppApi/GameHandler.cs
@@ -15,7 +15,7 @@ namespace VRCX
 
             CheckGameRunning();
         }
-        
+
         /// <summary>
         /// Checks if the VRChat game and SteamVR are currently running and updates the browser's JavaScript function $app.updateIsGameRunning with the results.
         /// </summary>
@@ -40,7 +40,7 @@ namespace VRCX
             if (MainForm.Instance?.Browser != null && !MainForm.Instance.Browser.IsLoading && MainForm.Instance.Browser.CanExecuteJavascriptInMainFrame)
                 MainForm.Instance.Browser.ExecuteScriptAsync("$app.updateIsGameRunning", isGameRunning, isSteamVRRunning, isHmdAfk);
         }
-        
+
         /// <summary>
         /// Kills the VRChat process if it is currently running.
         /// </summary>
@@ -54,6 +54,29 @@ namespace VRCX
             return processes.Length;
         }
 
+        /// <summary>
+        /// Kills the install.exe process after exiting game.
+        /// </summary>
+        /// <returns>Whether the process is killed (true or false).</returns>
+        public bool KillInstall()
+        {
+            bool isSuccess = false;
+            var processes = Process.GetProcessesByName("install");
+            foreach (var p in processes)
+            {
+                // "E:\SteamLibrary\steamapps\common\VRChat\install.exe"
+                var match = Regex.Match(p.MainModule.FileName, "(.+?\\\\VRChat.*)(!?\\\\install.exe)");
+                if (match.Success)
+                {
+                    p.Kill();
+                    isSuccess = true;
+                    break;
+                }
+            }
+
+            return isSuccess;
+        }
+
         /// <summary>
         /// Starts the VRChat game process with the specified command-line arguments.
         /// </summary>
@@ -71,13 +94,13 @@ namespace VRCX
                     var path = match.Groups[1].Value;
                     // var _arguments = Uri.EscapeDataString(arguments);
                     Process.Start(new ProcessStartInfo
-                        {
-                            WorkingDirectory = path,
-                            FileName = $"{path}\\steam.exe",
-                            UseShellExecute = false,
-                            Arguments = $"-applaunch 438100 {arguments}"
-                        })
-                        ?.Close();
+                    {
+                        WorkingDirectory = path,
+                        FileName = $"{path}\\steam.exe",
+                        UseShellExecute = false,
+                        Arguments = $"-applaunch 438100 {arguments}"
+                    })
+                    ?.Close();
                     return true;
                 }
             }
diff --git a/html/src/app.js b/html/src/app.js
index e7901ea3..4229607d 100644
--- a/html/src/app.js
+++ b/html/src/app.js
@@ -11246,27 +11246,44 @@ speechSynthesis.getVoices();
                 database.addGamelogEventToDatabase(entry);
                 break;
             case 'vrc-quit':
-                if (!this.vrcQuitFix || !this.isGameRunning) {
+                if (!this.isGameRunning) {
                     break;
                 }
-                var bias = Date.parse(gameLog.dt) + 3000;
-                if (bias < Date.now()) {
-                    console.log('QuitFix: Bias too low, not killing VRC');
-                    break;
-                }
-                AppApi.QuitGame().then((processCount) => {
-                    if (processCount > 1) {
-                        console.log(
-                            'QuitFix: More than 1 process running, not killing VRC'
-                        );
-                    } else if (processCount === 1) {
-                        console.log('QuitFix: Killed VRC');
-                    } else {
-                        console.log(
-                            'QuitFix: Nothing to kill, no VRC process running'
-                        );
+                if (this.vrcQuitFix) {
+                    var bias = Date.parse(gameLog.dt) + 3000;
+                    if (bias < Date.now()) {
+                        console.log('QuitFix: Bias too low, not killing VRC');
+                        break;
                     }
-                });
+                    AppApi.QuitGame().then((processCount) => {
+                        if (processCount > 1) {
+                            console.log(
+                                'QuitFix: More than 1 process running, not killing VRC'
+                            );
+                        } else if (processCount === 1) {
+                            console.log('QuitFix: Killed VRC');
+                        } else {
+                            console.log(
+                                'QuitFix: Nothing to kill, no VRC process running'
+                            );
+                        }
+                    });
+                }
+                if (this.vrcOSCFix) {
+                    setTimeout(() => {
+                        AppApi.KillInstall().then((processKilled) => {
+                            if (processKilled) {
+                                console.log(
+                                    'OSCFix: Killed Install.exe'
+                                );
+                            } else {
+                                console.log(
+                                    'OSCFix: Nothing to kill, no Install.exe process running'
+                                );
+                            }
+                        });
+                    }, 2000);
+                }
                 break;
             case 'openvr-init':
                 this.isGameNoVR = false;
@@ -15394,6 +15411,10 @@ speechSynthesis.getVoices();
         'VRCX_vrcQuitFix',
         true
     );
+    $app.data.vrcOSCFix = await configRepository.getBool(
+        'VRCX_vrcOSCFix',
+        true
+    );
     $app.data.vrBackgroundEnabled = await configRepository.getBool(
         'VRCX_vrBackgroundEnabled',
         false
@@ -15573,6 +15594,7 @@ speechSynthesis.getVoices();
             this.relaunchVRChatAfterCrash
         );
         await configRepository.setBool('VRCX_vrcQuitFix', this.vrcQuitFix);
+        await configRepository.setBool('VRCX_vrcOSCFix', this.vrcOSCFix);
         await configRepository.setBool(
             'VRCX_vrBackgroundEnabled',
             this.vrBackgroundEnabled
diff --git a/html/src/localization/en/en.json b/html/src/localization/en/en.json
index 3c2160f0..a4eab80f 100644
--- a/html/src/localization/en/en.json
+++ b/html/src/localization/en/en.json
@@ -424,6 +424,10 @@
                         "header": "VRChat Quit Fix",
                         "description": "Kill VRChat after exiting game"
                     },
+                    "vrchat_osc_fix": {
+                        "header": "VRChat OSC Fix",
+                        "description": "Kill install process after exiting game"
+                    },
                     "auto_cache_management": {
                         "header": "Automatically Manage Cache When Closing VRChat",
                         "description": "Auto delete old versions from cache"
diff --git a/html/src/mixins/tabs/settings.pug b/html/src/mixins/tabs/settings.pug
index a3d721d0..739927d9 100644
--- a/html/src/mixins/tabs/settings.pug
+++ b/html/src/mixins/tabs/settings.pug
@@ -443,6 +443,11 @@ mixin settingsTab()
                     div.options-container-item
                         span.name(style="min-width:300px") {{ $t('view.settings.advanced.advanced.vrchat_quit_fix.description') }}
                         el-switch(v-model="vrcQuitFix" @change="saveOpenVROption")
+                    //- Advanced | VRChat OSC Fix
+                    span.sub-header {{ $t('view.settings.advanced.advanced.vrchat_osc_fix.header') }}
+                    div.options-container-item
+                        span.name(style="min-width:300px") {{ $t('view.settings.advanced.advanced.vrchat_osc_fix.description') }}
+                        el-switch(v-model="vrcOSCFix" @change="saveOpenVROption")
                     //- Advanced | Auto Cache Management
                     span.sub-header {{ $t('view.settings.advanced.advanced.auto_cache_management.header') }}
                     div.options-container-item