You need to disable Limewire from taking over the torrent file association
http://forums.torrentbox.com/viewtopic.php?p=159795&sid=da00ba5f5594704cdd0764762b5af0d8
In Vuze at Tools>Options>Interface press the "Reset" button to associate torrent files with Vuze and tick the box to have Vuze check the torrent file association on startup.
You need to disable Limewire from taking over the torrent file association
http://forums.torrentbox.com/viewtopic.php?p=159795&sid=da00ba5f5594704cdd0764762b5af0d8
In Vuze at Tools>Options>Interface press the "Reset" button to associate torrent files with Vuze and tick the box to have Vuze check the torrent file association on startup.