package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Bob Shields]

Loading virtualbox on 16.04LST

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-109.132-generic 4.4.98
Uname: Linux 4.4.0-109-generic x86_64
.proc.sys.kernel.moksbstate_disabled: 0
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
Date: Sat Jan 13 16:29:48 2018
EFITables:
 Jan 13 17:14:43 bob-Lenovo-ideapad-700-15ISK kernel: efi: EFI v2.40 by Phoenix Technologies Ltd.
 Jan 13 17:14:43 bob-Lenovo-ideapad-700-15ISK kernel: efi: SMBIOS=0x96560000 ACPI=0x9d2fd000 ACPI 2.0=0x9d2fd014 ESRT=0x9502d000
 Jan 13 17:14:43 bob-Lenovo-ideapad-700-15ISK kernel: esrt: Reserving ESRT space from 0x000000009502d000 to 0x000000009502d038.
 Jan 13 17:14:43 bob-Lenovo-ideapad-700-15ISK kernel: Secure boot enabled
 Jan 13 17:16:12 bob-Lenovo-ideapad-700-15ISK ureadahead[431]: ureadahead:efi: Ignored relative path
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2018-01-13 (0 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.24
SecureBoot: 6 0 0 0 1
SourcePackage: shim-signed
Title: package shim-signed 1.32~16.04.1+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)