Registry Help Pro Just with a few clicks, Registry Help can clean and repair your registry, defrag your registry files, speed up your computer, and optimize your system. It is safe! Registry Help will backup all the registry operations you made in Registry Help and restore the changes if you want. It is reliable! Registry Help can take a snapshot for your registry at any time, and compare it at a later time, which ensure you knowing the changes in your registry and enable you to rollback the undesirable changes.