why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
8 O' V% _, I& M" T- r, q, ~( }公仔箱論壇they say the "red cross" mean no space on your computer& x/ f0 G" P5 b
tvb now,tvbnow,bttvb, Z. h+ F1 g! y% D2 y
but my harddisk is not full...how come it still doing that