why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.2 k0 D: o) O% h, m9 |
they say the "red cross" mean no space on your computer
& a  E' V; A* ]6 m & w( e( P+ r6 z' L9 j3 d7 r( _
but my harddisk is not full...how come it still doing that