If I got it right, the key listed in /usr/share/keyrings/ubuntu-archive- keyring.gpg and the one submitted by the server differ. Thus the authentication fails.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/989095 Title: Cannot upgrade from 11.10 to 12.04 due to adobe package authentication issues To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/989095/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
