Public bug reported: this error happen just after sudo apt-get dist-upgrade -y; and Reboot.
ProblemType: Package DistroRelease: Ubuntu 14.04 Package: libgnutls26:i386 2.12.23-12ubuntu2.3 ProcVersionSignature: Ubuntu 3.13.0-71.114-generic 3.13.11-ckt29 Uname: Linux 3.13.0-71-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 AptdaemonVersion: 1.1.1-1ubuntu5.2 Architecture: amd64 CrashReports: 600:0:114:76116:2015-12-01 18:32:12.653539419 -0800:2015-12-01 18:32:13.653539419 -0800:/var/crash/libgnutls26:i386.0.crash 600:0:114:76118:2015-12-01 18:32:13.629539292 -0800:2015-12-01 18:32:13.449538400 -0800:/var/crash/libgnutls26:amd64.0.crash 600:0:114:77172:2015-12-01 18:32:13.721539749 -0800:2015-12-01 18:32:13.657539431 -0800:/var/crash/libgnutls-openssl27:amd64.0.crash Date: Tue Dec 1 18:32:13 2015 DpkgHistoryLog: Start-Date: 2015-12-01 18:31:36 Commandline: aptdaemon role='role-commit-packages' sender=':1.95' Install: libid3tag0:amd64 (0.15.1b-10ubuntu1, automatic), gmtp:amd64 (1.3.4-2) DuplicateSignature: package:libgnutls26:i386:2.12.23-12ubuntu2.3:package libgnutls26:i386 is already installed and configured ErrorMessage: package libgnutls26:i386 is already installed and configured InstallationDate: Installed on 2013-04-09 (970 days ago) InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213) PackageArchitecture: i386 RelatedPackageVersions: dpkg 1.17.5ubuntu5.5 apt 1.0.1ubuntu2.10 SourcePackage: dpkg Title: package libgnutls26:i386 2.12.23-12ubuntu2.3 failed to install/upgrade: package libgnutls26:i386 is already installed and configured UpgradeStatus: Upgraded to trusty on 2015-07-31 (127 days ago) ** Affects: dpkg (Ubuntu) Importance: Undecided Status: New ** Tags: already-installed apport-package i386 need-duplicate-check trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1523160 Title: package libgnutls26:i386 2.12.23-12ubuntu2.3 failed to install/upgrade: package libgnutls26:i386 is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1523160/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs