Registry is a critical part of Windows. Since the registry is in constant use due to regular PC usage, it can get cluttered over time. Installing and removing software regularly and even moving and accessing data on the PC creates more and more registry entries, thereby increasing its size and deteriorating the systems performance. Regclean Pro cleans such invalid registry errors using its advanced scan engine. It not only fixes invalid registry entries, it also defragments the registry, keeping it streamlined for smoother system performance. You donÃ¢ÂÂt have to be a computer expert to use this Regclean Pro. The interface makes it easy to fix all registry errors easily and quickly even for novice users.