why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
0 L6 m: d# Y; E6 `5.39.217.77:8898they say the "red cross" mean no space on your computer
+ N$ P2 l& u' Jtvb now,tvbnow,bttvb tvb now,tvbnow,bttvb: V' @4 w: W( c, P
but my harddisk is not full...how come it still doing that