I suppose i might as well roll back to see if it helps....
This is what i got about the error :
Solution Not Found: Contact NVIDIA® Corporation
Thank you for submitting an error report. An error occurred in:
NVIDIA Graphics Driver
Microsoft is currently not aware of a solution for the problem that you reported. Microsoft did not create, nor does it provide technical support for NVIDIA Graphics Driver. NVIDIA Graphics Driver was created by NVIDIA® Corporation. If you would like to find out if a solution is available, or obtain assistance and troubleshooting information contact NVIDIA® Corporation. For more information, see the NVIDIA® Corporation Web site.