ld2ndR, you should execute: $ sudo rm /usr/bin/mozilla-thunderbird because mozilla-thunderbird is deprecated and only thunderbird should be used in future.
Anyway, this would bring us back to the thunderbird package. If mozilla- thunderbird was not created, the problem would be solved. Can anyone confirm this? -- After installing Thunderbird, preferred applications shows both "Mozilla Thunderbird" and "Thunderbird" https://bugs.launchpad.net/bugs/373167 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
