package grub-pc 1.99-21ubuntu3 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 127

[Irfan Setiawan]

grub2

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: grub-pc 1.99-21ubuntu3
ProcVersionSignature: Ubuntu 3.0.0-16.29-generic 3.0.20
Uname: Linux 3.0.0-16-generic i686
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
Date: Thu Apr 19 18:48:28 2012
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
InvalidGrubScript: /etc/default/grub
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-16-generic root=UUID=0563f08b-c1eb-4b8e-b59c-ed2606f005b2 ro quiet splash vt.handoff=7
SourcePackage: grub2
Title: package grub-pc 1.99-21ubuntu3 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 127
UpgradeStatus: Upgraded to precise on 2012-04-19 (0 days ago)