see the answer here:
http://www.bvlist.com/downloads/8816...html#post39390
but anyway TBDEV source is full of bugs and not supported by the dev team anymore
if you want something better and easier to use, not to mention better looking, i suggest these torrent trackers
http://www.bvlist.com/sourcecode/project-u-232
or
http://www.bvlist.com/sourcecode/zentracker