package shim-signed 1.32~17.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Michael]

Couldn't update

ProblemType: Package
DistroRelease: Ubuntu 17.04
Package: shim-signed 1.32~17.04.1+0.9+1474479173.6c180c6-1ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-28.32-generic 4.10.17
Uname: Linux 4.10.0-28-generic x86_64
.proc.sys.kernel.moksbstate_disabled: 0
ApportVersion: 2.20.4-0ubuntu4.5
Architecture: amd64
BootEFIContents:
 fw
 fwupx64.efi
Date: Tue Aug 1 20:40:59 2017
EFITables:
 Jul 24 00:24:45 earth kernel: efi: EFI v2.31 by American Megatrends
 Jul 24 00:24:45 earth kernel: efi: ACPI=0xda87a000 ACPI 2.0=0xda87a000 SMBIOS=0xda122298
 Aug 01 20:41:44 earth 20microsoft[31739]: result: Microsoft/Boot/bootmgfw.efi:Windows Boot Manager:Windows
 Aug 01 20:41:44 earth 05efi[31740]: debug: bootloader Microsoft/Boot/bootmgfw.efi:Windows Boot Manager:Windows found by subtest /usr/lib/os-probes/mounted/efi/20microsoft
 Aug 01 20:41:44 earth 05efi[31741]: result: /dev/sda1@/efi/Microsoft/Boot/bootmgfw.efi:Windows Boot Manager:Windows:efi
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-10-07 (298 days ago)
InstallationMedia: Lubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160720)
RelatedPackageVersions:
 dpkg 1.18.10ubuntu2
 apt 1.4
SecureBoot: 22 0 0 0 0
SourcePackage: shim-signed
Title: package shim-signed 1.32~17.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to zesty on 2017-04-19 (104 days ago)

[Steve Langasek (vorlon)]

Please attach /etc/fstab from the affected system.

[Launchpad Janitor (janitor)]

[Expired for shim-signed (Ubuntu) because there has been no activity for 60 days.]