[Bug 1740749] Re: package grub-efi-amd64-signed 1.66.14+2.02~beta2-36ubuntu3.14 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Apport retracing service]

*** This bug is a duplicate of bug 1728592 ***
    https://bugs.launchpad.net/bugs/1728592

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 #1728592, 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.

** Tags removed: need-duplicate-check

** This bug has been marked a duplicate of bug 1728592
   package grub-efi-amd64-signed 1.66.14+2.02~beta2-36ubuntu3.14 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

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https://bugs.launchpad.net/bugs/1740749

Title:
  package grub-efi-amd64-signed 1.66.14+2.02~beta2-36ubuntu3.14 failed
  to install/upgrade: subprocess installed post-installation script
  returned error exit status 1

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  .

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: grub-efi-amd64-signed 1.66.14+2.02~beta2-36ubuntu3.14
  ProcVersionSignature: Ubuntu 4.10.0-42.46~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-42-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.14
  Architecture: amd64
  Date: Mon Jan  1 12:58:48 2018
  DpkgHistoryLog:
   Start-Date: 2018-01-01  12:58:42
   Commandline: aptdaemon role='role-commit-packages' sender=':1.358'
   Upgrade: firefox-locale-en:amd64 (57.0.1+build2-0ubuntu0.16.04.1, 57.0.3+build1-0ubuntu0.16.04.1), firefox:amd64 (57.0.1+build2-0ubuntu0.16.04.1, 57.0.3+build1-0ubuntu0.16.04.1)
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2017-03-13 (293 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.3
   apt  1.2.24
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.66.14+2.02~beta2-36ubuntu3.14 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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