[Bug 2038471] Re: package grub-efi-amd64-signed 1.187.6~20.04.1+2.06-2ubuntu14.4 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1

[Marc Deslauriers]

Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a "regular" (non-security) bug.  I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross privilege boundaries nor directly cause loss of data/privacy.
Please feel free to report any other bugs you may find.

** Information type changed from Private Security to Public

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Title:
  package grub-efi-amd64-signed 1.187.6~20.04.1+2.06-2ubuntu14.4 failed
  to install/upgrade: installed grub-efi-amd64-signed package post-
  installation script subprocess returned error exit status 1

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  In my laptop, windows 10 and ubuntu both the operating system were
  installed. But now, I am unable to open windows 10 , automatically
  ubuntu is opening.

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-efi-amd64-signed 1.187.6~20.04.1+2.06-2ubuntu14.4
  ProcVersionSignature: Ubuntu 5.8.0-55.62~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-55-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.26
  AptOrdering:
   grub-efi-amd64-signed:amd64: Install
   grub-efi-amd64-bin:amd64: Install
   NULL: ConfigurePending
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Thu Oct  5 00:00:53 2023
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2020-09-18 (1111 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.5
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.187.6~20.04.1+2.06-2ubuntu14.4 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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