If for some reason, the registry repairs have not yielded the desired results or has affected a particular program, you have the option to restore the repair changes by using the Restore feature of Registry Reviver.
How to use the Restore feature:
1. Open "Registry Reviver"
2. Click on Options
3. Select the Restore tab
4. From the list shown, select the backup date of the repairs that you need to restore
5. Click on the Restore selected backup button
This will instantly reverse the repairs from the particular date and time!