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).5.39.217.76. [$ l$ ^7 `7 u! e' z
tvb now,tvbnow,bttvb7 Q1 F' n9 H. k5 ^; L
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%?
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* G- n4 C  m. x% d8 z0 N) Qtvb now,tvbnow,bttvbThanks.