I get the same error. Only it gets stuck at the splash screen an no- login window appears:
(polkit-gnome-authentication-agent-1:3797): GLib-GObject-WARNING **: cannot register existing type `_PolkitError' (polkit-gnome-authentication-agent-1:3797): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed -- policykit-1 password dialog sometimes hangs https://bugs.launchpad.net/bugs/445303 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