To fix Windows registry all you need is registry maintenance software that are widely available on the internet. Just download the software and install it to
fix registry error with least hazards. These registry tools are designed to scan the registry and remove the unwanted entries to clean the registry of errors. Most of the software comes with a 'schedule and forget' feature that lets you schedule the registry scan. The software then runs at the background to check the
registry errors and fixes them without your intervention. Before you fix Windows registry, do not forget to back up the registry file. So that if you encounter any problem after you have cleaned the registry you can restore the registry file.