package shim-signed 1.18~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Attila]

Failed to install Ubuntu, during the installation while installing grub2 the installation fails

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: shim-signed 1.18~16.04.1+0.8-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
BootEFIContents:
 grub.cfg
 grubx64.efi
 MokManager.efi
 shimx64.efi
Date: Thu Sep 15 00:23:21 2016
Df:
 Filesystem 1K-blocks Used Available Use% Mounted on
 /dev/sda6 304759072 4593084 284662016 2% /
 /dev/sdb 1477840 1477840 0 100% /cdrom
 udev 860264 0 860264 0% /dev
 tmpfs 174980 7992 166988 5% /run
ErrorMessage: subprocess installed post-installation script returned error exit status 1
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: shim-signed
Title: package shim-signed 1.18~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Steve Langasek (vorlon)]

This bug report does not contain the actual error message from the shim-signed postinst, and therefore there is not enough information for it to be actionable.