why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.1 O$ k: W( G% k" v7 C) U  [7 E* W" q/ ?
they say the "red cross" mean no space on your computer/ q  {# y4 m% C/ T5 N) l
5.39.217.76+ |. |6 e1 D3 c5 X  y( J6 M3 H$ Z- ^
but my harddisk is not full...how come it still doing that