why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
$ @- G% Z# H# a' X5.39.217.76they say the "red cross" mean no space on your computer0 u3 n' j8 A) g- X! E& p, ^1 H% g0 v
5.39.217.76- U7 Y4 O. C6 G) r
but my harddisk is not full...how come it still doing that