The Web is full of stories from people who have run a registry cleaner and encountered problems. Because there are so many registry entries to go through, this program may sometimes also remove useful registry entries, causing you problems. PC Cleaner scans your registry for these outdated entries and offers to remove them. Some of the entries may be slightly outdated - maybe you’ve uninstalled a program and it left a key or two behind, or maybe a there’s a file extension with no associated application. It contains hundreds of thousands of entries. The Windows registry is a database that Windows and its applications store their settings in. However, if you try to fix these issues, PC Cleaner will state that you need to buy the full version before being able to do so. When scanning your computer, PC Cleaner will search for invalid system entries, invalid startup entries, invalid DLLs, or broken links.

PC Cleaner is a potentially unwanted program that describes itself as a pc optimization program that can help your computer run better. How to remove PC Cleaner (Virus Removal Guide).

Computer cleaner