Occasionally, there are no response when user click on the menu button. After few seconds, if you click it again, it will works.

The problem is due to an yet-to-fix unknown bug which shifts the control focus out, causing clicking action not really reach the routine.
The easiest work around is clicking any where on the screen to exit menu, then select the menu again. Alternatively, you can disable skin by:

1. Edit Edotpro.ini found in WinPro folder, set:

[Options]
UseSkin=0

2. Rerun WinPro Manager.

This bug may due to client poll to server too fast, thus not giving change to go to GUI task. Edit Manager Edotpro.ini:

[Options]
PollDelay=2
PollDelaySec = 2<= Increase this value