hey just popping in with a new suggestion. Someone on forums suggested to turn off this program called aero on your computer as a possible fix.

Here's the how to on it:
http://www.howtogeek.com/howto/windo...windows-vista/

anyways if you have vista or windows 7 you can go to a more basic setting and it may help for time being. As of now it seems people with optimus technology in their computers are largely suffering from directx error =(