I have been a fan of this tool for a few years now, and every version that’s released seems to impress me. Basically, Ace Utilities optimizes your system, clears your system registry, removes any junk files, manages Windows auto-start, provides detailed disk analysis, and the list goes on. If you are a Windows user, this tool can improve your system by keeping it clean.

For a low price of only US$30.00, this can make your old system run like a new one again.

[1331K] [Win98/Me/2k/XP] [Shareware (Free Trial)]

Ace Utilities is an award-winning collection of tools to optimize and speed up your system performance. It contains utilities to clean registry, temporary files on your disks, erase your application and Internet browser history, cache, cookies, and more. You can control startup programs that load automatically with Windows, find duplicate files, fix broken shortcuts, and uninstall software. Other features include secure file deletion, shred recycle bin, disk space analysis, empty folder finder, and more.