PC System Saver

Another free piece of software that I found recently is 'Regscrub'. It goes through your registry and fixes the entries that are slowing down the system. It literally brought our Dell Inspiron 4150 back to life. Along with a good defragger and some service tweaks it became the great little pc it was years ago.
The program also includes hundreds of little tips and secrets for repairing an ailing system.