why i always have a red cross while i am downloading

azn_mafia88

i have read the forum.
  m5 u+ b9 a2 k, j3 g5 V, E2 Dtvb now,tvbnow,bttvbthey say the "red cross" mean no space on your computertvb now,tvbnow,bttvb6 R+ t/ L, N/ w

! Q4 B( d# e' F0 x, r6 @but my harddisk is not full...how come it still doing that