Public bug reported: I was trying to install xsane, and got an installation error. I tried installing it a second time, and it installed without errors. I was able to use the application satisfactorily after the second installation.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: apparmor 2.10.95-0ubuntu2.7 ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79 Uname: Linux 4.4.0-93-generic i686 ApportVersion: 2.20.1-0ubuntu2.10 AptdaemonVersion: 1.1.1+bzr982-0ubuntu14 Architecture: i386 Date: Thu Oct 12 14:16:38 2017 DpkgHistoryLog: Start-Date: 2017-10-12 14:16:27 Commandline: aptdaemon role='role-commit-packages' sender=':1.188' Install: xsane:i386 (0.999-3ubuntu1), xsane-common:i386 (0.999-3ubuntu1, automatic) DuplicateSignature: package:apparmor:2.10.95-0ubuntu2.7 Processing triggers for mime-support (3.59ubuntu1) ... dpkg: error processing package libapparmor-perl (--configure): package libapparmor-perl is already installed and configured ErrorMessage: package apparmor is already installed and configured InstallationDate: Installed on 2015-04-28 (898 days ago) InstallationMedia: Xubuntu 14.04.2 LTS "Trusty Tahr" - Release i386 (20150218.1) ProcKernelCmdline: BOOT_IMAGE=/vmlinuz-4.4.0-93-generic root=/dev/mapper/xu1-xubu--root--xu1 rw quiet splash vt.handoff=7 RelatedPackageVersions: dpkg 1.18.4ubuntu1.2 apt 1.2.24 SourcePackage: dpkg Syslog: Title: package apparmor 2.10.95-0ubuntu2.7 failed to install/upgrade: package apparmor is already installed and configured UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: dpkg (Ubuntu) Importance: Undecided Status: New ** Tags: already-installed apport-package i386 xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1723263 Title: package apparmor 2.10.95-0ubuntu2.7 failed to install/upgrade: package apparmor is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1723263/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs