x-www-browser is an alternative, managed by the alternatives system. Alternatives are known to suck (they are system-wide preferences, and *not* user preferences). If update-manager really is using x-www- browser, then it needs fixing to not use that.
In any case, this doesn't have anything to do with gnome-control-center ** Package changed: gnome-control-center (Ubuntu) => update-notifier (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in ubuntu. https://bugs.launchpad.net/bugs/693131 Title: Launchpad links in the bug-fix description field don't lauch Firefox when set as default -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
