If you get a message that says Windows System Restore did not restore all files successfully, shut your computer down, start again in safe mode, and then perform system restore again. That works for me.
If you need help getting into safe mode, see my other post here: http://digital-qa.blogspot.com/2010/01/get-into-safe-mode.html
If you need help getting into safe mode, see my other post here: http://digital-qa.blogspot.com/2010/01/get-into-safe-mode.html
