diff --git a/project/Aki.Launcher.Base/Controllers/GameStarter.cs b/project/Aki.Launcher.Base/Controllers/GameStarter.cs
index 1f29bcc..4131ac3 100644
--- a/project/Aki.Launcher.Base/Controllers/GameStarter.cs
+++ b/project/Aki.Launcher.Base/Controllers/GameStarter.cs
@@ -49,10 +49,10 @@ namespace Aki.Launcher
             if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                 return null;
 
-            var uninstallStringValue = Registry.LocalMachine.OpenSubKey(registryInstall, false)
-                ?.GetValue("UninstallString");
-            var info = (uninstallStringValue is string key) ? new FileInfo(key) : null;
-            return info?.DirectoryName;
+            var installLocation = Registry.LocalMachine.OpenSubKey(registryInstall, false)
+                ?.GetValue("InstallLocation");
+            var info = (installLocation is string key) ? new DirectoryInfo(key) : null;
+            return info?.FullName;
         }
 
         public async Task<GameStarterResult> LaunchGame(ServerInfo server, AccountInfo account, string gamePath)
diff --git a/project/Aki.Launcher.Base/Helpers/FilePatcher.cs b/project/Aki.Launcher.Base/Helpers/FilePatcher.cs
index 05e3917..34650c9 100644
--- a/project/Aki.Launcher.Base/Helpers/FilePatcher.cs
+++ b/project/Aki.Launcher.Base/Helpers/FilePatcher.cs
@@ -9,8 +9,8 @@
 
 using System;
 using System.IO;
-using System.Reflection.Metadata.Ecma335;
 using Aki.ByteBanger;
+using Aki.Launcher.Controllers;
 using Aki.Launcher.MiniCommon;
 using Aki.Launcher.Models.Launcher;
 
@@ -115,14 +115,21 @@ namespace Aki.Launcher.Helpers
                     var target = Path.ChangeExtension(file.FullName, null);
 
                     // remove patched file
-                    var patched = new FileInfo(target);
-                    patched.IsReadOnly = false;
-                    patched.Delete();
+                    try
+                    {
+                        var patched = new FileInfo(target);
+                        patched.IsReadOnly = false;
+                        patched.Delete();
 
-                    // restore from backup
-                    File.Copy(file.FullName, target);
-                    file.IsReadOnly = false;
-                    file.Delete();
+                        // Restore from backup
+                        File.Copy(file.FullName, target);
+                        file.IsReadOnly = false;
+                        file.Delete();
+                    }
+                    catch (Exception ex)
+                    {
+                        LogManager.Instance.Exception(ex);
+                    }
                 }
             }
         }