How to Clean Registry?

PCBooster Free Registry Cleaner has ability to scan your Windows registry to find & remove the obsolete or invalid entries that are useless or do harm to your system, like ActiveX, shared DLLs, fonts, help files, application paths, sound events, history list and more. As a professional registry cleaner tool, it manages to help repair those incorrect registry entries to make them normal again, thus preventing severe system errors or instability.