why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
( L7 o. G# L. U% z9 s. Uthey say the "red cross" mean no space on your computer
1 c1 A; F# c2 N. G+ P) E2 c 8 F# o; Q0 F3 Y  `
but my harddisk is not full...how come it still doing that