Advanced System Repair Pro works well and is safe. It not only speeds up your computer but also cleans the registry. If you are unfamiliar with the registry, it is essentially the database system that your operating system uses to store information about the various Windows settings. This one place houses all the information, from information on how to execute specific apps to the selected desktop wallpaper. Advanced System Repair Pro is a fantastic program for keeping your computer clean and running at peak performance. It's designed for all levels of users and incredibly effective at ensuring that the registry is clean, eliminating unnecessary files and disk defragmentation; it also removes malware and viruses.