The Windows Registry Checker
The Windows Registry Checker automatically scans your computer's registry for erroneous and invalid entries. The tool's main purpose is to restore a registry backup if faulty or invalid entries are found. You can do this by running the scanreg /autorun command from a command prompt. The Windows Registry Checker tries to repair the registry if no recent backup is found, similar to when you type scanreg /fix from a command prompt.
The Windows Registry Checker is also used by Windows setup to
