Run a deep scan for virus, ad-spy wares and other nasty things.
If you can't find anything, download latest updatest from microsft at
www.windowsupdate.com.
If you already done that, download update for Microsoft Runtimes File for C++ or Visual Basic.
If you have the latest and/or can't find the needed files PLEASE contact Microsoft for futher instructions!
Note:
It's dose requer Microsoft DirectX 9.0C witch can be found on the CD!