hi. recently, everytime downloading .torrent file from the web, i've got a popup that ask me saving or open witt utorrent. From first using of utorrent program, it's automatically opened by utorrent not make popup to ask me save or open it. But after updating firefox, the option that related opening .torrent file change automatically from utorrent to save file. so firefox always ask me save file to where then i've to change the option. in image, the check box doesn't work!@!!! plz help me! there is so many solution on google, but they are just about chrome not firefox.