why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
8 l7 g( k: Z+ w/ e; y公仔箱論壇they say the "red cross" mean no space on your computer
% h& W; R7 s( q- P% M& {4 E4 u9 C; H公仔箱論壇
! P: \! z8 A" Pbut my harddisk is not full...how come it still doing that