why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.公仔箱論壇+ G9 `6 B  i: f1 h5 C1 T
they say the "red cross" mean no space on your computer
3 ~1 B4 z) U1 [公仔箱論壇 9 q3 B  z6 J9 J* v3 W
but my harddisk is not full...how come it still doing that