shim-signed 1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[JW Whitles]

On startup, and login package, I received th error: shim-signed 1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: shim-signed 1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
ProcVersionSignature: Ubuntu 4.8.0-46.49~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-46-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Wed Apr 12 12:51:12 2017
DuplicateSignature:
 package:shim-signed:1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
 Processing triggers for shim-signed (1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1) ...
 Running in non-interactive mode, doing nothing.
 dpkg: error processing package shim-signed (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2017-04-03 (16 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: shim-signed
Title: package shim-signed 1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Apport retracing service (apport)]

This crash has the same stack trace characteristics as bug #1679784. However, the latter was already fixed in an earlier package version than the one in this report. This might be a regression or because the problem is in a dependent package.