Before testing a lot - these two things can perhaps help you:
- try to uninstall Cardbox Client, then install it again. Perhaps you lost a 'connection' to the VBS things. Reinstalling can repair this perhaps.
- If this does not help look in your taskmanager - processes. Kill proces mdm.exe (right mouseclick). It this helps, find a way that mdm.exe not is started when the pc starts.
- I experienced it also once when I wrote an error in my macro ;-)