[Bug 1809036] Re: package grub-efi-amd64-signed 1.66.20+2.02~beta2-36ubuntu3.20 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Apport retracing service]

** Tags removed: need-duplicate-check

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https://bugs.launchpad.net/bugs/1809036

Title:
  package grub-efi-amd64-signed 1.66.20+2.02~beta2-36ubuntu3.20 failed
  to install/upgrade: subprocess installed post-installation script
  returned error exit status 1

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  problem installing update.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: grub-efi-amd64-signed 1.66.20+2.02~beta2-36ubuntu3.20
  ProcVersionSignature: Ubuntu 4.4.0-140.166-generic 4.4.162
  Uname: Linux 4.4.0-140-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  Date: Tue Dec 18 21:28:55 2018
  DuplicateSignature:
   package:grub-efi-amd64-signed:1.66.20+2.02~beta2-36ubuntu3.20
   Setting up grub-efi-amd64-signed (1.66.20+2.02~beta2-36ubuntu3.20) ...
   grub-install: fout: /usr/lib/grub/i386-pc/modinfo.sh bestaat niet;  gebruik optie '--target' of '--directory'.
   dpkg: error processing package grub-efi-amd64-signed (--configure):
    subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2018-10-31 (48 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.5
   apt  1.2.29
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.66.20+2.02~beta2-36ubuntu3.20 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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