-

mpv.net/Misc/Misc.cs

@@ -212,14 +212,18 @@ namespace mpvnet
 
         public static void RemoveKey(string path)
         {
-            GetRootKey(path).DeleteSubKeyTree(path.Substring(5), false);
+            try {
+                GetRootKey(path).DeleteSubKeyTree(path.Substring(5), false);
+            } catch { }
         }
 
         public static void RemoveValue(string path, string name)
         {
-            using (RegistryKey rk = GetRootKey(path).OpenSubKey(path.Substring(5), true))
-                if (!(rk is null))
-                    rk.DeleteValue(name, false);
+            try {
+                using (RegistryKey rk = GetRootKey(path).OpenSubKey(path.Substring(5), true))
+                    if (!(rk is null))
+                        rk.DeleteValue(name, false);
+            } catch {}
         }
 
         static RegistryKey GetRootKey(string path)

mpv.net/Misc/Program.cs

@@ -13,8 +13,6 @@ namespace mpvnet
         [STAThread]
         static void Main()
         {
-            Mutex mutex = new Mutex(true, "mpvnetProcessInstance", out bool isFirst);
-
             try
             {
                 string[] args = Environment.GetCommandLineArgs().Skip(1).ToArray();
@@ -27,6 +25,7 @@ namespace mpvnet
                     return;
                 }
 
+                Mutex mutex = new Mutex(true, "mpvnetProcessInstance", out bool isFirst);
                 App.Init();
 
                 if ((App.ProcessInstance == "single" || App.ProcessInstance == "queue") && !isFirst)
@@ -56,15 +55,12 @@ namespace mpvnet
                 Application.EnableVisualStyles();
                 Application.SetCompatibleTextRenderingDefault(false);
                 Application.Run(new MainForm());
+                mutex.Dispose();
             }
             catch (Exception ex)
             {
                 Msg.ShowException(ex);
             }
-            finally
-            {
-                mutex.Dispose();
-            }
         }
     }
 }