This tool suppose to apply every useful Windows XP memory/filesystem/connection tweaks depends on your current hardware and provide the maximum XP performance! it will also clean up temporary & prefetch directories, basicly i wrote it for Windows XP but its suppose to work under Windows NT/2000/2003 as well. Change list:
*Added Restore Windows Default settings feature
*Bug fixes

Use @ Your Own Risk!

Windows XP Universal Tweaker v0.2 by The NGO Group