Originally Posted by Slug
The 8800GT is a no-goer I'm afraid. It isn't able to run any projects for more than a few minutes before the client shuts down with "NANs detected" errors. Furmark and OCCT's DirectX stabilty test don't show any artifacts or failures and F@H doesn't stress it anything like those two, and it's even behaving from a cold boot, which is a bit annoying as I need it to be consistently failing to RMA it. Plus it would have added another few thousand points to the team.
Is it the same work unit failing over and over? If so, delete the queue.dat, work folder, unitinfo.txt and that should make it download a different WU.