Because it is one of the most accessed parts of your computer, your system’s registry is vulnerable to errors that can cause computer slowdowns, error messages, frozen programs, system crashes and applications that no longer work.

The computer registry is like a database that keeps an inventory of Windows settings as well as hardware and software installations. As you use your computer, the applications you’re running access the registry thousands of times per second. In fact, the registry is accessed when you:

All of these activities leave behind entries. Without proper registry maintenance, it gets clogged with unwanted entries, outdated files, incomplete programs, improperly installed applications and more. Malware also corrupts the registry when it embeds itself into keys and prevents executable files from running.

While it is possible to use manual techniques to clean the registry, doing so will likely cause deeper problems. You may end up reinstalling Windows or worse, sending your computer to the repair shop, which will cost you.

What will PC Cleaner do?

PC Cleaner will remove unused and old entries, including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application Paths, Icons, Invalid Shortcuts and more.