why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
4 a1 @( U9 I5 E  B/ s, Q! Vthey say the "red cross" mean no space on your computer
1 b, p2 F- w& a8 \: Y7 ^( E1 i 5.39.217.775 v. q- a* e1 d# o; y" }& \- \+ T* E
but my harddisk is not full...how come it still doing that