my brother's a major computer freak and knows everything there is to know...about anything...with computers...but just went to work and i showed him what's going on and he never even seen what's happening. it wont let me download anything when i click on something...doesn't say anything...doesn't do anything at all..as if i didn't even click on it. someone plz tell me what to do? reinstall? and if so, where do i reinstall at? .. plz help me i'm computer illiterate like no other ty.