why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.公仔箱論壇1 N- l. @5 Y: A3 [$ n. A
they say the "red cross" mean no space on your computer9 r) X* G/ h4 O& @6 D: X

0 b3 s  y/ A3 u) [5.39.217.76but my harddisk is not full...how come it still doing that