package grub-efi-amd64-signed 1.167~18.04.5+2.04-1ubuntu44.1.2 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1

[Joszja de Weerdt]

Setting up grub-efi-amd64-signed (1.167~18.04.5+2.04-1ubuntu44.1.2) ...
Installing for x86_64-efi platform.
grub-install: error: cannot find EFI directory.
dpkg: error processing package grub-efi-amd64-signed (--configure):
 installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
Setting up libcrypt-dev:amd64 (1:4.4.10-10ubuntu4) ...

Progress: [ 82%]
Setting up locales (2.31-0ubuntu9.9) ...
Installing new version of config file /etc/locale.alias ...
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/grub-efi-amd64-signed.0.crash'
                                                                                               Generating locales (this might take a while)...
  en_US.UTF-8... done
Generation complete.
dpkg: dependency problems prevent configuration of shim-signed:
 shim-signed depends on grub-efi-amd64-signed (>= 1.167~) | grub-efi-arm64-signed (>= 1.167~); however:
  Package grub-efi-amd64-signed is not configured yet.
  Package grub-efi-arm64-signed is not installed.

dpkg: error processing package shim-signed (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Processing triggers for libc-bin (2.31-0ubuntu9.9) ...

Progress: [ 89%]
Errors were encountered while processing:
 grub-efi-amd64-signed
 shim-signed
Exception during pm.DoInstall(): E:Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: grub-efi-amd64-signed 1.167~18.04.5+2.04-1ubuntu44.1.2
ProcVersionSignature: Ubuntu 4.15.0-177.186-generic 4.15.18
Uname: Linux 4.15.0-177-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.27
Architecture: amd64
Date: Fri May 6 12:05:05 2022
ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
Python3Details: /usr/bin/python3.6, Python 3.6.9, python3-minimal, 3.6.7-1~18.04
PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.3
 apt 1.6.14
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.167~18.04.5+2.04-1ubuntu44.1.2 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to bionic on 2022-05-06 (0 days ago)

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1962399, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.