why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
: z% ^9 }7 c. s: u* K5.39.217.76they say the "red cross" mean no space on your computer
% h+ l6 [* j1 c' G3 C) g5 v* s( A' x4 J6 m tvb now,tvbnow,bttvb# F$ ?# w$ P  p. ]
but my harddisk is not full...how come it still doing that