Please back up your registry!
Download ERUNT The Emergency Recovery Utility NT Registry Backup and Restore for Windows NT/2000/2003/XP/Vista
NOTE: Installing ERUNT may also install the "registry optimization tool" "NTREGOPT" by default. Please do NOT run NTREGOPT.
Registry Cleaners, not recommended
Save ERUNT to your desktop. Run and install this program.
In the box that opens ONLY choose "System registry"
Click save and then go to File > Exit.
This is so the registry can be restored to this point if we need it.