Python/wxpython app shows error while shutting down Windows

Question

I have wxpython multi threaded app, bundled using py2exe, that keep running silently as a task-bar application under windows system tray. When I shutdown Windows, it shows following error message:

Error screen http://devzila.com/error.jpg

Answer 1

I'm able to figure it out: wx.EVT_END_SESSION is fired when windows try to close your application during shutdown.

wx.GetApp().Bind(wx.EVT_END_SESSION, self.onClose)

Answer 2

Bind wx.EVT_CLOSE event for your application frame. In the callback function end all threads.