Well, I figured out I don't need ActivClient in Windows 8, so the problem has disappeared.

Hello, Since I installed dexpot, a window which is normally not shown on the screen or the taskbar is now showing in both, on all of the multiple desktops that dexpot enables. I am on Windows 8. The window is part of a program for smartcards called ActivClient. I have updated it to the latest versio...