I managed to get everything working by rebooting then finishing the install from the command line (just had to tell dpkg to finish installing everything). Still, that shouldn't have been necessary...
-- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to meta-kde in Ubuntu. https://bugs.launchpad.net/bugs/1448171 Title: "cannot unlock the session" during upgrade to Kubuntu 15.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/meta-kde/+bug/1448171/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs