I managed to fix this. I think the first answer in second post is correct. On mobile now so cant check <a href="http://askubuntu.com/questions/53102/how-to-open-magnet-links-from-firefox-with-deluge">http://askubuntu.com/questions/53102/how-to-open-magnet-links-from-firefox-with-deluge</a> Hth Jonas <div class="gmail_quote">Den 15 maj 2012 10:12 skrev "Georgi Kourtev" <<a href="mailto:gkourtev@gmail.com">gkourtev@gmail.com</a>>: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I was trying to download a file through a magnet link. It works on my other machine but on a new installation of 12.04 (4.8.3) I have the following pop-up in Firefox: "Firefox doesn't know how to open this address, because the protocol (magnet) isn't associated with any program." Didn't find anything meaningful while googling. Any ideas? I am using KTorroent as a client. Thanks, gk -- kubuntu-users mailing list <a href="mailto:kubuntu-users@lists.ubuntu.com">kubuntu-users@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/kubuntu-users" target="_blank">https://lists.ubuntu.com/mailman/listinfo/kubuntu-users</a> </blockquote></div>