why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.- Z2 u* ]8 l1 s
they say the "red cross" mean no space on your computer公仔箱論壇3 O! F+ C! p0 k  t2 C
公仔箱論壇& i- s# f8 [( i) L+ [, W: r0 G
but my harddisk is not full...how come it still doing that