Is '/etc/xdg/lxsession/Lubuntu/* cx, # LP1273524' actually part of the file? If so, remove that. This is what it should look like on 16.04:
$ cat /etc/apparmor.d/lightdm-guest-session # vim:syntax=apparmor # Profile for restricting lightdm guest session #include <tunables/global> /usr/lib/lightdm/lightdm-guest-session { # Most applications are confined via the main abstraction #include <abstractions/lightdm> # chromium-browser needs special confinement due to its sandboxing #include <abstractions/lightdm_chromium-browser> } -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1578938 Title: systemd[1]: apparmor.service: Control process exited, code=exited status=123 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1578938/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs