Public bug reported:

OS Ubuntu focal fossa 20.04
On boot error message - Apparmor Failed to start profiles.

Steps attempted to correct

1.sudo as status

lee@lee-desktop:~$ sudo aa-status
apparmor module is loaded.
53 profiles are loaded.
51 profiles are in enforce mode.
   /sbin/dhclient
   /snap/core/8268/usr/lib/snapd/snap-confine
   /snap/core/8268/usr/lib/snapd/snap-confine//mount-namespace-capture-helper
   /usr/bin/evince
   /usr/bin/evince-previewer
   /usr/bin/evince-previewer//sanitized_helper
   /usr/bin/evince-thumbnailer
   /usr/bin/evince//sanitized_helper
   /usr/bin/man
   /usr/lib/NetworkManager/nm-dhcp-client.action
   /usr/lib/NetworkManager/nm-dhcp-helper
   /usr/lib/connman/scripts/dhclient-script
   /usr/lib/cups/backend/cups-pdf
   /usr/lib/lightdm/lightdm-guest-session
   /usr/lib/lightdm/lightdm-guest-session//chromium
   /usr/lib/snapd/snap-confine
   /usr/lib/snapd/snap-confine//mount-namespace-capture-helper
   /usr/lib/telepathy/mission-control-5
   /usr/lib/telepathy/telepathy-*
   /usr/lib/telepathy/telepathy-*//pxgsettings
   /usr/lib/telepathy/telepathy-*//sanitized_helper
   /usr/lib/telepathy/telepathy-ofono
   /usr/sbin/cups-browsed
   /usr/sbin/cupsd
   /usr/sbin/cupsd//third_party
   /usr/sbin/ippusbxd
   /usr/sbin/tcpdump
   /usr/share/hplip/plugin.py
   /usr/share/hplip/sendfax.py
   /usr/share/hplip/setup.py
   /usr/share/hplip/systray.py
   /usr/share/hplip/toolbox.py
   libreoffice-senddoc
   libreoffice-soffice//gpg
   libreoffice-xpdfimport
   lsb_release
   man_filter
   man_groff
   nvidia_modprobe
   nvidia_modprobe//kmod
   snap-update-ns.core
   snap-update-ns.gnome-calculator
   snap-update-ns.gnome-characters
   snap-update-ns.gnome-logs
   snap-update-ns.gnome-system-monitor
   snap.core.hook.configure
   snap.gnome-calculator.gnome-calculator
   snap.gnome-characters.gnome-characters
   snap.gnome-logs.gnome-logs
   snap.gnome-system-monitor.gnome-system-monitor
   system_tor
2 profiles are in complain mode.
   libreoffice-oopslash
   libreoffice-soffice
3 processes have profiles defined.
3 processes are in enforce mode.
   /usr/lib/telepathy/mission-control-5 (3090) 
   /usr/sbin/cupsd (1646) 
   /usr/bin/tor (1861) system_tor
0 processes are in complain mode.
0 processes are unconfined but have a profile defined.
lee@lee-desktop:~$ 

2.sudo /etc/init.d/apparmor restart

lee@lee-desktop:~$ sudo /etc/init.d/apparmor restart
Restarting apparmor (via systemctl): apparmor.serviceJob for apparmor.service 
failed because the control process exited with error code.
See "systemctl status apparmor.service" and "journalctl -xe" for details.
 failed!
lee@lee-desktop:~$ 

3.sudo rm -rf /etc/apparmor.d/cache/*

4. sudo /etc/init.d/apparmor restart

lee@lee-desktop:~$ sudo /etc/init.d/apparmor restart
Restarting apparmor (via systemctl): apparmor.serviceJob for apparmor.service 
failed because the control process exited with error code.
See "systemctl status apparmor.service" and "journalctl -xe" for details.
 failed!
lee@lee-desktop:~$ 

Thanks,

Lee

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: apparmor 2.13.3-7ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu15
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Jan 28 23:19:19 2020
InstallationDate: Installed on 2013-08-08 (2365 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 
(20120425)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-5.4.0-12-generic 
root=UUID=d2e1abc4-e044-467e-8cc2-57cbe4ef3115 ro drm.debug=0xe plymouth:debug
SourcePackage: apparmor
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: apparmor (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal

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https://bugs.launchpad.net/bugs/1861250

Title:
  Apparmor error failed to start profiles

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