sorry--no can find. What is the file extension and size? Maybe that will help
Or, you could also post a magnet of the file at
http://www.magnetdb.com/index.php
To get the magnet link, right-click the file in your Library, and choose "magnet details.
btw--to help uploads, make sure your set-up can accept incoming connections. Search thes forums for "accept incoming" to see how to check that.