why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
8 O5 a5 b! i4 w* ]6 v" b, Y' Z  ]they say the "red cross" mean no space on your computer
: F; d! z7 g/ I# q 9 K2 Q7 X. u: i  f# K" w* e
but my harddisk is not full...how come it still doing that