Do the so call PC Tune Up Tools work? If so which one is the best?
No and thay more times than anything screw up your computer
Cool, thought so, cheers.
no
use defraggler and CCleaner
if you have over 3GB of ram use radeon ramdisk and create a 512MB or larger ramdrive to put your web browser cache on
http://www.piriform.com/ccleaner/download/standard
http://www.piriform.com/defraggler/download/standard
http://www.radeonmemory.com/software_downloads.php
type in firefox about:config
right click new string
browser.cache.disk.parent_directory
and then the location of your ramdisk
on Ccleaner uncheck anything browser related and recycle bin, those things you want to do manually, be sure to uncheck firefoxes on the other "applications" tab
also check windows log files, windows error reporting, old prefetch data, and ISS log files