Here's a link to a must read article that How To Geek posted today about Driver Cleaner's. http://www.howtogeek.com/171816/htg-explains-do-you-need-to-use-a-driver-cleaner-when-upgrading-hardware-drivers/
Using sfc.exe /scannow yields this error
"Windows resource protection found files but was unable to fix them, details are included on the CBS.log
After checking out the CBS.log this seems to be the problem:
CSI 000005f3 [SR] Verify complete
2009-08-03 19:23:59, Info CSI...
ok over the past month or so I have been trying to solve a problem with my win7 installation (build 7232.0.1md64fre.winmain.0980610-1900)
after a fresh install I had to find the smu drivers for my biostar MB and windows installed it's own video driver 8.15.11.8585 dated april 09. the gfx card...
9500gtx
blue screen
bsod
build 7232
corrupted driverdrivercleanerdriver update
graphics driver
motherboard drivers
nvidia
nvlddmkm.sys
registry
safe mode
system error
system service exception
troubleshooting
user support
video card
windows 7