Check my comments below, thunderbird should check for user set variables for the browser instead of calling directly x-www-browser
** Changed in: thunderbird (Ubuntu) Status: Invalid => Confirmed -- Kubuntu setting default components don't affect gnome/gtk apps https://bugs.launchpad.net/bugs/52670 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs