Over time, the Registry can become cluttered with missing or broken items when installing, upgrading, and uninstalling software or updates. Why CCleaner cleans the Windows Registry: You can read more about the Windows Registry on Wikipedia. The Windows Registry is a set of files that contains settings for your Windows PC, such as what program to use to open HTML files, when your antivirus program should run, or what desktop background you use.

To skip to instructions for Registry > Registry Cleaner, go to Clean your Registry with CCleaner for Windows further down this page. We recommend using CCleaner for the best results as it offers several features and has built a decent reputation.įurthermore, you can also opt for JetClean as it offers a clean user-interface with fast scan and clean speeds.This page explains what the Windows Registry is, why CCleaner cleans it, and how to clean it. There are numerous third-party softwares to help you clean the registry on your Windows PC. The inconsequential cleaning is certainly not worth the risk of installing a free registry cleaner that may come with malware. As Malwarebytes rightly puts it, it’s a computer version of the placebo effect.Ī registry cleaner cleans any unwanted entries, but it doesn’t have a substantial effect on the performance. While it may look like it in some cases, mostly it is an illusion. One of the biggest myths about registry cleaners is that they give a performance boost to the PC. If you have something to add, tell us in the comments below. Hence, their installation process may include an invitation from other adware programs. These were the top 10 free registry cleaners.

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