[Airborne Butters]

Umm, my freind said somtin about cleaning out my Cache...I'm a dumbass and don't know what that is so any help would be appreciated. I get like wierd DL spikes, like I DL from FileFront like a big DL somtine like DoD thats 135 mbs, it'll go fast for a while than slows down from 150 to 20