package grub-efi-amd64-signed 1.66.7+2.02~beta2-36ubuntu3.7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[sami almoeehi]

have error with update

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64-signed 1.66.7+2.02~beta2-36ubuntu3.7
ProcVersionSignature: Ubuntu 4.4.0-51.72-generic 4.4.30
Uname: Linux 4.4.0-51-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Fri Jan 27 03:28:42 2017
DuplicateSignature:
 package:grub-efi-amd64-signed:1.66.7+2.02~beta2-36ubuntu3.7
 Setting up grub-efi-amd64-signed (1.66.7+2.02~beta2-36ubuntu3.7) ...
 grub-install: error: /usr/lib/grub/i386-pc/modinfo.sh doesn't exist. Please specify --target or --directory.
 dpkg: error processing package grub-efi-amd64-signed (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-02-01 (361 days ago)
InstallationMedia: It
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.66.7+2.02~beta2-36ubuntu3.7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to xenial on 2016-04-24 (278 days ago)

[Launchpad Janitor (janitor)]

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

[dkolars (dkolars)]

Came home after being gone for 2 weeks, fired up 'puter, got this error message... Have not done anything else yet.