Thanks for your comments. This does not appear to be a bug report and we are closing it. We appreciate the difficulties you are facing, but it would make more sense to raise your question in the support tracker. <https://answers.launchpad.net/questions>
This is a warning. By importing the kubuntu.org key (as it says in the release announcements, on kubuntu.org), you will solve this issue. ** Changed in: apt (Ubuntu) Status: New => Invalid -- Kubuntu apt-get update fails due to unverifiable GPG signature https://bugs.launchpad.net/bugs/128264 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