The application was hacked by a malware that stayed in the application for over a month through a backdoor, without anyone realizing. So is CCleaner a Virus? Or it safe to install now?Ībout a year ago there was a hacking incident related to the CCleaner application. If you do decide to use the application though, is it safe? Let’s find out. However, you may use the software if you wish to Fix Broken Registry Items or clean the registry, just without any significant effect on your computer’s performance. According to the corporation, users should not mess with the Windows Registry. Microsoft does not endorse any registry cleaners or have one of its own. But if by accident the tool decides to remove a registry key that was actually relevant to an important application, it could cause problems in some application or even the OS. True, it gets rid of undesirable registry keys.

This has absolutely no effect on your computer’s performance, contrary to popular belief.Īnd it is in this area that CCleaner can be unsafe. All the CCleaner does is remove registry keys. Piriform, the software’s developers would have you believe that CCleaner enhances your PC’s performance by removing unwanted keys that are leftovers from uninstalled programs and malware. Does CCleaner Enhance your PC’s Performance?

Ccleaner safe or not