If all else fails...
Download, install & update...
CLEANUP
Ccleaner
ANTI SPYWARE
Ad-Aware
Spybot S&D
Microsoft Antispyware (W2k & XP)
ANTI VIRUS
AVG Free (Set options to 'scan all files')
ANTI TROJAN
EWIDO (W2k & XP)
Turn off System Restore if applicable. (ME & XP users)
Run Ccleaner
Run Ad-Aware
Run Spybot
Run Microsoft Antispyware
Run AVG Free
Run Ewido
Re-start in Safe Mode
Re-run AVG Free
Re-start in Normal Mode
Turn on System Restore if applicable. (ME & XP users)
Then back to...
Copy c:\windows\repair\autoexec.nt and paste it into the
c:\windows\system32 directory.
You paste it into the c:\windows\system32 directory