If it's limewire taking over, it's limewire being stupid. http://forum.utorrent.com/viewtopic.php?id=33939 If not. http://utorrent.com/faq.php#.C2.B5Torrent_won.27t_open_torrent_files_even_though_I_associated_torrents_with_it Otherwise post a new thread. This thread is NOT for troubleshooting.