Files in BitComet disappear, what should I do? URGENT

bghippo

Since my computer has something wrong, I need to start the computer again, but all the files in BitComet disappeared, but I can still see them in my hard drive (but not yet completed).
9 z! _7 o: C5 s! o5.39.217.76/ ?+ d6 R& P: A+ |7 b
Then I went to re-download again, it would start from 0%.  What should I do?  How can I put them from hard drive into Bitcomet to continue downloading and not from the beginning 0%?tvb now,tvbnow,bttvb1 o  u1 K1 p2 J! c  K/ m

: g6 a' c  C' vThanks.