[Bug 1808596] Re: package grub-efi-amd64 2.02~beta2-9ubuntu1.15 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[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   outdated grub2 install failure catch-all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~beta2-9ubuntu1.15 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 1

Status in grub2 package in Ubuntu:
  New

Bug description:
  I have no idea..

  ProblemType: Package
  DistroRelease: Ubuntu 14.04
  Package: grub-efi-amd64 2.02~beta2-9ubuntu1.15
  ProcVersionSignature: Ubuntu 4.4.0-140.166~14.04.1-generic 4.4.162
  Uname: Linux 4.4.0-140-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.29
  Architecture: amd64
  Date: Sat Dec 15 11:19:04 2018
  DuplicateSignature: package:grub-efi-amd64:2.02~beta2-9ubuntu1.15:subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2015-12-30 (1080 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-140-generic.efi.signed root=UUID=76ab8c28-cc19-4373-b92d-8bceebd70ac1 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   dpkg 1.17.5ubuntu5.8
   apt  1.0.1ubuntu2.18
  SourcePackage: grub2
  Title: package grub-efi-amd64 2.02~beta2-9ubuntu1.15 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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