[Bug 878748] Re: package grub-pc 1.99-12ubuntu5 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 20

[Marcus Tomlinson]

This release of Ubuntu is no longer receiving maintenance updates. If
this is still an issue on a maintained version of Ubuntu please let us
know.

** Changed in: grub2 (Ubuntu)
       Status: New => Incomplete

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Title:
  package grub-pc 1.99-12ubuntu5 failed to install/upgrade:
  ErrorMessage: subprocess installed post-installation script returned
  error exit status 20

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  This same package refused to install or upgrade when I upgraded my
  system to 11.04/ It was an in complete upgrade because of this
  package, but it did somehow succeed. After restarting, I went to the
  update center to update my packages. It asked me to do a partial
  upgrade because of some error. This time too, this package refused to
  install or upgrade!

  ProblemType: Package
  DistroRelease: Ubuntu 11.10
  Package: grub-pc 1.99-12ubuntu5
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu3
  Architecture: i386
  Date: Thu Oct 20 15:27:05 2011
  ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 20
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  SourcePackage: grub2
  Title: package grub-pc 1.99-12ubuntu5 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 20
  UpgradeStatus: Upgraded to oneiric on 2011-10-20 (0 days ago)

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