Error when shutting down WinXP MCE

I get this error: svchost.exe - Application Error. The memory could not be read.... blah blah blah. Maybe it said the memory could not be written. But it only happens when I shut down or restart. The screen goes to Windows is logging off, then goes to Windows is shutting down, then the error pops up, and says click OK to terminate the application. This problem wasn't there until I ran ATI's cat-uninstaller to attempt to remove a corrupt video driver (it didn't work). I tried Last Known Good Config, but that didn't get rid of the error. It's not a huge deal 'cuz it only appears at shut down, but I'd like it to not be there at all..... Help? Ideas? Suggestions?
THANX!

hopperdave2000

 

what is exact message?