I hear this question time and time again when I go to service PC's. People complain that the machine is running slow. Most of the time they mean they are having trouble browsing the internet. I usually open up the browser and find tool bars everywhere. I usually ask, "Why did you install these tool bars?" and the answer I usually get is. "I didn't, How'd that get there?" So I here's my tip on installing those "hidden extras when you update or download something from the internet"