package shim-signed 1.19~14.04.1+0.8-0ubuntu2 failed to install/upgrade: package shim-signed is already installed and configured

[Cristhian Quiñonez]

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)