package grub-pc 2.02~beta2-29ubuntu0.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10

[hashim]

i have changed power supply. after this ubuntu 15.10 restart several times after reaching splash menu to reach main menu.

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: grub-pc 2.02~beta2-29ubuntu0.3
ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
Uname: Linux 4.2.0-23-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Thu Jan 7 22:27:28 2016
DuplicateSignature: package:grub-pc:2.02~beta2-29ubuntu0.3:subprocess installed post-installation script returned error exit status 10
ErrorMessage: subprocess installed post-installation script returned error exit status 10
InstallationDate: Installed on 2014-05-23 (594 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-23-generic root=UUID=f5c9223f-0b15-409d-8af4-bf962b753706 ro quiet splash
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: grub2
Title: package grub-pc 2.02~beta2-29ubuntu0.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10
UpgradeStatus: Upgraded to wily on 2015-10-27 (72 days ago)

[Launchpad Janitor (janitor)]

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

[Phillip Susi (psusi)]

It looks like your /var/lib/dpkg/status file was corrupt. Did you edit it manually or something? Are you able to reproduce this on a currently supported release?

[Launchpad Janitor (janitor)]

[Expired for grub2 (Ubuntu) because there has been no activity for 60 days.]