add restart with windows and autorestart

App.xaml.cs

@@ -131,5 +131,11 @@ namespace SafeBagDE70
             window.Width = screen.WorkingArea.Width;
             window.Height = screen.WorkingArea.Height;
         }
+        protected override void OnExit(ExitEventArgs e)
+        {
+            // Release the mutex when the application is closed
+            mutex?.ReleaseMutex();
+            base.OnExit(e);
+        }
     }
 }