TweakNow PowerPack is a fully-integrated suite of utilities that let you fine-tune every aspect of your computer’s operating system and Web browser. It is a freeware offer useful pack of utilities and save your both time in cleaning and remove the files hard to be located in your system.
-Scan and clean your system registry
-Remove unused files
-Tweak how windows uses resources
-Analyze your storage space
Windows XP, Vista and W7
Follow the link and download: http://tweaknow.com/powerPack.php