I have already defrag my hard drive, (you know how those computers that takes very long to come up) that is how mine is, I did empty free space on my computer, it is still slow (it says vitual memory is very low (i tried to download windows xp service pack 2 and it did not download-(in the past I was able to down windows xp serice pack 1 but I cant download windows xp service pack 2- (why)-