Public bug reported: I don't now where the problem has arised. Perhaps with a install of Stellarium without succes.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: libpam-systemd:i386 229-4ubuntu7 ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13 Uname: Linux 4.4.0-31-generic i686 ApportVersion: 2.20.1-0ubuntu2.1 AptdaemonVersion: 1.1.1+bzr982-0ubuntu14 Architecture: i386 CrashReports: 600:0:116:550259:2016-07-18 22:34:37.097978353 +0200:2016-07-18 22:34:38.097978353 +0200:/var/crash/libpam-systemd:i386.0.crash 664:1000:116:0:2016-07-18 18:47:59.718365572 +0200:2016-07-18 18:47:59.718365572 +0200:/var/crash/_usr_bin_unity-scope-loader.1000.upload 600:109:116:0:2016-07-18 18:48:01.026359662 +0200:2016-07-18 18:48:01.026359662 +0200:/var/crash/_usr_bin_unity-scope-loader.1000.uploaded 640:1000:116:3105756:2016-07-18 18:47:58.718365669 +0200:2016-07-18 18:47:59.718365669 +0200:/var/crash/_usr_bin_unity-scope-loader.1000.crash Date: Mon Jul 18 22:34:37 2016 DuplicateSignature: package:libpam-systemd:i386:229-4ubuntu7 Processing triggers for man-db (2.7.5-1) ... dpkg: error processing package libpam-systemd:i386 (--configure): package libpam-systemd:i386 is already installed and configured ErrorMessage: package libpam-systemd:i386 is already installed and configured InstallationDate: Installed on 2016-07-18 (0 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1) RelatedPackageVersions: dpkg 1.18.4ubuntu1.1 apt 1.2.12~ubuntu16.04.1 SourcePackage: dpkg Title: package libpam-systemd:i386 229-4ubuntu7 failed to install/upgrade: package libpam-systemd:i386 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/1604157 Title: package libpam-systemd:i386 229-4ubuntu7 failed to install/upgrade: package libpam-systemd:i386 is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1604157/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs