why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
, D. k9 V, t4 H% q2 b& G# l; c; @  Qthey say the "red cross" mean no space on your computer
5 B- }0 _6 f! y: `/ e. a/ K8 E( C. [3 Uos.tvboxnow.com tvb now,tvbnow,bttvb$ g* F3 i4 u! p$ n- a# B
but my harddisk is not full...how come it still doing that