Hmmm not sure do you have an ATI Radeon Display Adapter.
You can try the steps in this link.
http://www.gnutellaforums.com/showth...threadid=34585
If you do have a Radeon display adapter. You can try rolling back the drivers to version 5.1.
You can search(upper right) for --- peacec ---- in the member search field. He rolled back the drivers and fixed his problem that way.
Best of luck