[Bug 1872045] Re: package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 2

[michael okane]

Here is the requested file, grub-efi-amd64-signed.postinst

How can I install the fix?
Update?

** Attachment added: "grub-efi-amd64-signed.postinst"
   https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1872045/+attachment/5351742/+files/grub-efi-amd64-signed.postinst

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Title:
  package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to
  install/upgrade: installed grub-efi-amd64-signed package post-
  installation script subprocess returned error exit status 2

Status in grub2-signed package in Ubuntu:
  Fix Released

Bug description:
  This error keeps popping up. Tried:

  # sudo apt-get purge grub\*
  # sudo apt-get install grub-efi
  # sudo apt-get autoremove
  # sudo update-grub

  
  But after a few minutes, the error returns

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-efi-amd64-signed 1.140+2.04-1ubuntu24
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu25
  AptOrdering:
   soundconverter:amd64: Install
   NULL: ConfigurePending
  Architecture: amd64
  Date: Fri Apr 10 12:32:59 2020
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 2
  InstallationDate: Installed on 2019-09-27 (196 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-is-python2, 2.7.17-3
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.1ubuntu1
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 2
  UpgradeStatus: Upgraded to focal on 2020-04-03 (7 days ago)

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