Change or delete the wrong value and your PC could suddenly stop working properly.Įven automatic Registry cleaners have been known to incorrectly identify and delete important Registry values, so it’s better to be safe than sorry.

Tampering with the Registry can have a serious effect on your PC. Find out more here.ĬCleaner, for example, has tools for cleaning your PC, including a Registry cleaner that’s widely popular. Want some more help with Windows? Our friendly tech team can help you with one-to-one support on a range of tech issues. Lots of programs and tools claim to be able to ‘clean’ your Registry for you, by looking for and removing any invalid keys and values. When you uninstall programs, some Registry values can be left behind.

Over time, installing programs, updating software and attaching new peripherals can all add to the Registry. The Registry is a system file that holds lots of vital information about your PC and how it works. The short answer is no - don't attempt to clean the Windows Registry.

If your computer is playing up it's tempting to try out programs that promise to clean up your Registry.

Computer cleaning software