why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.5.39.217.772 b( B8 O7 z( N0 z: ^5 l
they say the "red cross" mean no space on your computer
; v' L9 o+ K, n2 y9 f
. M) B, W  J5 n, w4 nbut my harddisk is not full...how come it still doing that