Quote Originally Posted by Starbuck_Jones View Post
Sounds like a registry problem or your video driver is corrupt. Also could be your video card is on its way out, but you generally get artifacts and bsod's if that were the case.

I would start by downloading and installing the latest driver for your video card. If it still happens, run a system restore to a time before this started. Then hit it with some diags if the problem persists.
Sorry, I should have mentioned that I just started using ISBoxer. I have to image it's something related, otherwise it's one hell of a coincidence