CachemanXP Description:

CachemanXP is a system service designed to improve the performance of your computer by optimizing several caches, auto-recovering RAM and fine tuning a number of system settings. Auto-Optimization makes it suitable for novice and intermediate users yet it is also powerful and versatile enough for computer experts. Backups of settings ensure that all user modifications can be reversed with a single click. Due to the system service nature it requires Windows NT4/2000/2003 or XP to run, uses minimal resources and virtually no CPU time. The help file includes a screenshot based system performance guide.