Which is the top registry cleaner for Windows XP, Vista and 7? If you happened to be looking for the highest rated registry cleaner, you’ve come to the right place. As you should know by now, Windows Registry is at the heart of every Windows computer. The longer your Windows is installed and used, the more junked-up the Registry becomes.
Badly written programs don’t bother to clean the Registry when you uninstall them, some are intentionally written in such a way to prevent the uninstallation and re-installation of a software after the trial period ends. Most programs add unnecessary junk to the Registry and this might cause the PC to crash or to slow down.

Eusing Registry Cleaner (937kb, Free, Windows XP and Vista) – Eusing Free Registry Cleaner is a small and tiny registry cleaner. It clean and repair any registry problems without giving me much problem. I can perform a deep registry scan, do remember to backup your windows before embarking on this adventurous journey. Better be safe than sorry. Features:
- Safely scan your entire Windows registry for invalid or obsolete information
- Find Windows Registry keys left over from deleted files or uninstalled applications
- The automatic backup creation of the repaired registry entries

Comodo Registry Cleaner (19MB, Free, Windows XP and Vista) – Also known as Comodo System Cleaner, it is a powerful suite of utilities and tools that allows you to make your Windows XP or Vista computer faster, more efficient and more secure. Even though Comodo is relatively new in this type of software, they appears to be making good progress on this new system cleaner. Some of its features:
- Provides the ability to delete files that are locked and cannot otherwise be deleted when in Windows ‘User Mode’
- Allows you to permanently remove confidential or sensitive files from your hard drive
- Cleaning history, cache, cookies and usage records from Internet browsers
- Remove temporary Internet files, logs, needless archives, unused icons and duplicate files
- Optimizes and repairs your Windows registry by running an in-depth scan to remove or repair unnecessary or corrupted registry keys

CCleaner Registry Cleaner (3.2MB, Free, Windows 7 Compatible) – Probably one of the longest Windows registry cleaner, and possibly the most popular among computer geeks. CCleaner is more than a registry cleaner, back then it was mainly written to perform registry cleaning, as time goes by, more features are added and it evolves. CCleaner is a freeware system optimization, privacy (Internet cookies, history and temp files) and cleaning tool. It removes unused files from your system – allowing Windows to run faster and freeing up valuable hard disk space. Cleans the following:
- All Major browser’s temporary files, history, cookies, auto-complete form and history
- Windows Recycle Bin, Recent Documents, Temporary files and Log files
- Remove unused and old entries, including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application Paths, Icons, Invalid Shortcuts
- Third-party applications temp files and recent file lists





