FixRegistryError - Version 2.1 FixRegistryError is an extremely user-friendly and highly advance end tool, made easy for all windows users. It safely, though effectively Cleans and Repairs Windows Registry problems. It eliminates inconsistencies with your windows registry, which initiates systems crashes, error messages and render the system highly unstable. FixRegistryError uses a high-performance detection algorithm to quickly identify missing and invalid references in your Windows registry. These problems can occur for many reasons including being left-behind after the un-installation or incorrect removal of software, by missing or corrupt hardware drivers, or orphaned startup programs.