I was googling the stop error code and I found something: http://answers.microsoft.com/en-us/windows/forum/windows_7-system/0x00000051-how-to-apply-fix-when-at-blue-screen/01691d9f-15f4-4648-9523-f7906441a69d?tab=question&status=AllReplies#tabs
Read the reply from Mike.