Tools Internet Options Advanced tab At the bottom of the properties page, click the Reset button (which I've circled in this screenshot). Allow several minutes for resetting to complete.
Start the PC and press F8 before the Windows logo appears. Choose Safe Mode Once Safe Mode is running, Log in as Administrator. Choose Start, Run, and enter CMD in the "Open:" box. Enter these commands at the command prompt: cd \windows\i386 <- Change to whatever directory contains Windows' CAB files. extract userinit.ex_ c:\windows\system32 <- Grab a fresh copy of userinit.exe cd \windows\system32 ren userinit.exe userinit.bad <- Rename the corrupted userinit.exe ren userinit.ex_ userinit.exe <- Replace it with the fresh copy exit Restart the PC. You should now be able to log in.
cd \windows\i386 <- Change to whatever directory contains Windows' CAB files. extract userinit.ex_ c:\windows\system32 <- Grab a fresh copy of userinit.exe cd \windows\system32 ren userinit.exe userinit.bad <- Rename the corrupted userinit.exe ren userinit.ex_ userinit.exe <- Replace it with the fresh copy exit