[Bug 1802287] Re: package grub-efi-amd64 2.02-2ubuntu8.7 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127

[Mate Kukri]

*** This bug is a duplicate of bug 2069726 ***
    https://bugs.launchpad.net/bugs/2069726

** This bug has been marked a duplicate of bug 2069726
   outdated grub2 install failure catch-all

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Title:
  package grub-efi-amd64 2.02-2ubuntu8.7 failed to install/upgrade:
  installed grub-efi-amd64 package post-installation script subprocess
  returned error exit status 127

Status in grub2 package in Ubuntu:
  New

Bug description:
  Noob with Ubuntu. So, no relevant details to provide

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: grub-efi-amd64 2.02-2ubuntu8.7
  ProcVersionSignature: Ubuntu 4.15.0-38.41~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-38-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.4
  Architecture: amd64
  Date: Thu Nov  8 12:44:56 2018
  ErrorMessage: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127
  InstallationDate: Installed on 2018-02-17 (263 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  InvalidGrubScript: /etc/default/grub
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-38-generic root=UUID=f4cbe9fc-a3a0-4429-8bae-dfc9df19df98 ro quiet splash vt.handoff=7
  Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.5-3ubuntu1
  PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2.1
   apt  1.6.6
  SourcePackage: grub2
  Title: package grub-efi-amd64 2.02-2ubuntu8.7 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127
  UpgradeStatus: Upgraded to bionic on 2018-11-08 (0 days ago)

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