why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
, O! E& c. W3 U1 Wtvb now,tvbnow,bttvbthey say the "red cross" mean no space on your computer
# T' x: D6 y& _  w6 J& MTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 公仔箱論壇/ b% C) L: J+ V$ Y7 a
but my harddisk is not full...how come it still doing that