[Bug 1748268] Re: package grub-efi-amd64-signed 1.66.16+2.02~beta2-36ubuntu3.16 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: grub2-signed (Ubuntu)
       Status: New => Confirmed

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Title:
  package grub-efi-amd64-signed 1.66.16+2.02~beta2-36ubuntu3.16 failed
  to install/upgrade: subprocess installed post-installation script
  returned error exit status 1

Status in grub2-signed package in Ubuntu:
  Confirmed

Bug description:
  hmm. I do not really know, what bug this is, but atleast, after upgrading from 15 to 16, I cannot access win7 anymore (dual boot).
  Other issue. Google Chrome browser is not functional at all..

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: grub-efi-amd64-signed 1.66.16+2.02~beta2-36ubuntu3.16
  ProcVersionSignature: Ubuntu 4.13.0-32.35~16.04.1-generic 4.13.13
  Uname: Linux 4.13.0-32-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  Date: Thu Feb  8 20:51:52 2018
  DuplicateSignature:
   package:grub-efi-amd64-signed:1.66.16+2.02~beta2-36ubuntu3.16
   Setting up grub-efi-amd64-signed (1.66.16+2.02~beta2-36ubuntu3.16) ...
   grub-install: error: /usr/lib/grub/i386-pc/modinfo.sh doesn't exist. Please specify --target or --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
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.3
   apt  1.2.24
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.66.16+2.02~beta2-36ubuntu3.16 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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