First Method
Lauch Windows Task Manager.
End wgatray.exe process in Task Manager.
Restart Windows XP in Safe Mode.
Delete WgaTray.exe from c:\Windows\System32.
Delete WgaTray.exe from c:\Windows\System32\dllcache.
Lauch RegEdit.
Browse to the following location:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft� 92;
Windows NT\CurrentVersion\Winlogon\Notify
Delete the folder ?WgaLogon? and all its contents
Reboot Windows XP.
Das klingt süß*g* muss es mal testen! thx erstmal