RevivorSoft Registry Reviver - 1 PC for 1 Year [Download] Registry Reviver uses proprietary algorithms to scan you Registry for errors and safely repair them. By repairing errors in your Windows Registry, you will experience less Registry-related system crashes and conflicts. Diagnose and repair Registry errors, and optimize your Registry, with one simple mouse click! The restore point setting in Registry Reviver ensures that if there are any problems with a repair, the changes can be easily reversed to get you back up and running in no time.