The error message suggests to me that you're missing the authentication key for one of the repositories you have in your apt sources. Have you modified anything that might affect those?
Will provide more details when I'm at a proper keyboard... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/819217 Title: wireshark packages cannot be authenticated! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wireshark/+bug/819217/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
