I've no experience with this program, but it appears to be rather thorough: "It allows you to clean common system junk files, as well as invalid registry entries and Internet traces. You can manage and delete browser add-ons, analyze disk space usage and find duplicate files. You can also view and manage installed shell extensions, encrypt your files from unauthorized access and use, split large files into smaller manageable files and then rejoin them. Furthermore, Glary Utilities includes the options to optimize memory, find, fix, or remove broken Windows shortcuts, manage the programs that start at Windows startup and uninstall software. Other features include secure file deletion, an Empty Folder finder and more. " And it's <img src=/S/free.gif border=0 alt=free width=30 height=15>