CCleaner
1. Download and install CCleaner (see Resources).
2. Launch CCleaner.

3. Click the 'Registry' button.
4. Click 'Scan for Issues.' CCleaner will search for errors and other problems in the registry.
5. Click 'Fix Selected Issues.'
6. Click 'Yes' to save the registry backup to 'C:\Program Files\CCleaner' before the registry changes are made. Once the backup is saved, CCleaner will correct registry errors.
Glary Utilities
7. Download and install Glary Utilities (see Resources).
8. Launch Glary Utilities.
9. Enable 'Registry Cleaner' and any other modules you wish to use in your scan.
10. Click 'Scan for Issues.'
11. Click 'Repair Problems' once the scan is complete to resolve registry errors.
EasyCleaner
12. Download and install EasyCleaner (see Resources).
13. Launch EasyCleaner.
14. Click 'Registry.'
15. Click 'Find.'
16. Click 'Save' to back up your registry.
17. Click 'Delete All' to remove the registry errors identified by EasyCleaner.