package grub-pc 2.02~beta2-36ubuntu3.16 failed to install/upgrade: subprocess installed post-installation script returned error exit status 20

[punyabrat kumar]

fail to install I do not why

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-pc 2.02~beta2-36ubuntu3.16
ProcVersionSignature: Ubuntu 4.4.0-112.135-generic 4.4.98
Uname: Linux 4.4.0-112-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
Date: Tue Feb 6 11:38:27 2018
DuplicateSignature:
 package:grub-pc:2.02~beta2-36ubuntu3.16
 Setting up grub-pc (2.02~beta2-36ubuntu3.16) ...
 dpkg: error processing package grub-pc (--configure):
  subprocess installed post-installation script returned error exit status 20
ErrorMessage: subprocess installed post-installation script returned error exit status 20
InstallationDate: Installed on 2016-11-07 (455 days ago)
InstallationMedia:

ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-112-generic.efi.signed root=UUID=8ec31e72-2cd5-4a2e-8764-fdbe02245114 ro i8042.reset
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.24
SourcePackage: grub2
Title: package grub-pc 2.02~beta2-36ubuntu3.16 failed to install/upgrade: subprocess installed post-installation script returned error exit status 20
UpgradeStatus: No upgrade log present (probably fresh install)

[Steve Beattie (sbeattie)]

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.

[punyabrat kumar (punyabrat)]

Please give a solution for solving this bugs....

On Feb 7, 2018 1:05 PM, "Apport retracing service" <
<email address hidden>> wrote:

> ** Tags removed: need-duplicate-check
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1747576
>
> Title:
> package grub-pc 2.02~beta2-36ubuntu3.16 failed to install/upgrade:
> subprocess installed post-installation script returned error exit
> status 20
>
> Status in grub2 package in Ubuntu:
> New
>
> Bug description:
> fail to install I do not why
>
> ProblemType: Package
> DistroRelease: Ubuntu 16.04
> Package: grub-pc 2.02~beta2-36ubuntu3.16
> ProcVersionSignature: Ubuntu 4.4.0-112.135-generic 4.4.98
> Uname: Linux 4.4.0-112-generic x86_64
> ApportVersion: 2.20.1-0ubuntu2.15
> Architecture: amd64
> Date: Tue Feb 6 11:38:27 2018
> DuplicateSignature:
> package:grub-pc:2.02~beta2-36ubuntu3.16
> Setting up grub-pc (2.02~beta2-36ubuntu3.16) ...
> dpkg: error processing package grub-pc (--configure):
> subprocess installed post-installation script returned error exit
> status 20
> ErrorMessage: subprocess installed post-installation script returned
> error exit status 20
> InstallationDate: Installed on 2016-11-07 (455 days ago)
> InstallationMedia:
>
> ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-112-generic.efi.signed
> root=UUID=8ec31e72-2cd5-4a2e-8764-fdbe02245114 ro i8042.reset
> RelatedPackageVersions:
> dpkg 1.18.4ubuntu1.3
> apt 1.2.24
> SourcePackage: grub2
> Title: package grub-pc 2.02~beta2-36ubuntu3.16 failed to
> install/upgrade: subprocess installed post-installation script returned
> error exit status 20
> UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/
> 1747576/+subscriptions
>