Wondering if anyone can help me with this, last night the video on my pc cut out and at first I thought it was just some problem with my video cards. Either one of my cards were bad or overheated, unfortunately that wasn't the case. Upon trying to restart my pc when the video crashed, my system wont start at all. Startup Repair indicates that there is a problem that can't be automatically fixed:

Root Cause found:
----------------------
A patch is preventing the system from starting.

Repair action: System Restore
Result: Completed successfully. Error code = 0x0
time taken = 365417 ms

Repair action: System Restore
Result: Failed. Error code 0=490
Time taken = 0 ms

Repair action: System files integrity check and repair
Result: Failed. Error code = 0x2
Time Taken = 613848
So anyone know wtf this is or can anyone guide me through a quick repair? According to some googling this may be the cause of a hardware driver that can't handle a patch but I don't remember installing anything unless its one of the recent windows vista updates. I have the Diagnosis and repair details up in front of me but this is all I have access to as I can't go any further than this into startup.

Friend of mine suggested it might be the power supply fucking with the rest of my computer but at this point I'm not so sure.