why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.公仔箱論壇% l/ r5 ^5 c$ B* p
they say the "red cross" mean no space on your computer
+ V/ \  [8 t9 w; G5 B; l公仔箱論壇
7 ~) r% T! W, i; v0 u; @but my harddisk is not full...how come it still doing that