[Bug 2118823] Re: package grub-efi-amd64 2.12-1ubuntu7.3 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 1

[Mate Kukri]

Try `dpkg-reconfigure grub-efi-amd64` and select the correct disk Ubuntu
is installed on when asked.

This is either a case of the installation having been moved to a
different disk, or possibly a case of
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/2083176

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https://bugs.launchpad.net/bugs/2118823

Title:
  package grub-efi-amd64 2.12-1ubuntu7.3 failed to install/upgrade:
  installed grub-efi-amd64 package post-installation script subprocess
  returned error exit status 1

Status in grub2 package in Ubuntu:
  New

Bug description:
  with reinstal Brave program

  ProblemType: Package
  DistroRelease: Ubuntu 24.04
  Package: grub-efi-amd64 2.12-1ubuntu7.3
  ProcVersionSignature: Ubuntu 6.14.0-24.24~24.04.3-generic 6.14.6
  Uname: Linux 6.14.0-24-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.8
  AptOrdering:
   grub-gfxpayload-lists:amd64: Remove
   grub-pc:amd64: Remove
   grub-efi-amd64:amd64: Install
   NULL: ConfigurePending
  Architecture: amd64
  CasperMD5CheckResult: pass
  Date: Fri Jul 25 15:06:30 2025
  Df:
   Filesystem     1K-blocks     Used Available Use% Mounted on
   /dev/sde3       95164980 22870100  67578492  26% /
   /dev/sde2        1098628     6288   1092340   1% /boot/efi
   tmpfs            2351824     2236   2349588   1% /run
  ErrorMessage: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2025-05-26 (61 days ago)
  InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
  Python3Details: /usr/bin/python3.12, Python 3.12.3, python3-minimal, 3.12.3-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.22.6ubuntu6.1
   apt  2.8.3
  SourcePackage: grub2
  Title: package grub-efi-amd64 2.12-1ubuntu7.3 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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