Posted 25 May 2009 - 05:17 PM
You could always reformat the hard drive, and do a fresh install of windows. This will make the computer run like new.
After so many years of installing, uninstalling, adding, and deleting files, your installation of windows can get bogged down. You should download drivers for your hardware beforehand, and backup all your files. Unfortunately, if you do go through with it, your programs will be lost, but you will of course be able to reinstall them.
If you're just browsing the internet on that computer, it should run fine. Some things may run a bit sluggish, but you'll have to get a different system if you really want more performance as hamluis suggested.
"I think there is a world market for maybe five computers." - Thomas Watson, Chairman of IBM, 1943