title: how to remove the tray icon after taskkill the application?
body: <p>I use inno setup to setup my application. Before install, I will check the app is still running, and use taskkill command to kill the application force. But I find the tray icon will not disappear.</p>
  
  <p>How to terminate the application gentlely or make the tray icon remove from the tray after kill?</p>