why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
+ P+ g% |+ O+ A5.39.217.76they say the "red cross" mean no space on your computer
  X& c$ w1 o$ i8 h) ?TVBNOW 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。 ( K2 I- ^+ N8 j( ~
but my harddisk is not full...how come it still doing that