Public bug reported: I just turned on my computer and the message of error showed up.
ProblemType: Package DistroRelease: Ubuntu 14.04 Package: shim-signed 1.19~14.04.1+0.8-0ubuntu2 ProcVersionSignature: Ubuntu 4.4.0-75.96~14.04.1-generic 4.4.59 Uname: Linux 4.4.0-75-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.23 AptdaemonVersion: 1.1.1-1ubuntu5.2 Architecture: amd64 BootEFIContents: grub.cfg grubx64.efi MokManager.efi shimx64.efi CrashReports: 600:0:123:1644334:2017-04-27 23:48:21.114443063 -0500:2017-04-27 23:48:22.114443063 -0500:/var/crash/shim-signed.0.crash 0:1001:123:3992708:2017-05-01 19:49:19.523548086 -0500:2017-05-01 19:49:16.955547979 -0500:/var/crash/_usr_share_spotify_spotify.1001.crash Date: Thu Apr 27 23:48:21 2017 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-trusty-amd64-osp1-20150720-0 DuplicateSignature: package:shim-signed:1.19~14.04.1+0.8-0ubuntu2:package shim-signed is already installed and configured ErrorMessage: package shim-signed is already installed and configured InstallationDate: Installed on 2015-10-29 (550 days ago) InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20150720-04:06 RelatedPackageVersions: dpkg 1.17.5ubuntu5.7 apt 1.0.1ubuntu2.17 SourcePackage: dpkg Title: package shim-signed 1.19~14.04.1+0.8-0ubuntu2 failed to install/upgrade: package shim-signed is already installed and configured UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: dpkg (Ubuntu) Importance: Undecided Status: New ** Tags: already-installed amd64 apport-package trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1687513 Title: package shim-signed 1.19~14.04.1+0.8-0ubuntu2 failed to install/upgrade: package shim-signed is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1687513/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs