package grub-pc 2.02~beta2-36ubuntu3.9 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10

[MEE]

Lors d'une remise en route après mise à jour.
release 16.04 Ubuntu 16.04.2 LTS
mee@mee-W65-67SZ:~$ apt-cache policy pkgname
N: Impossible de trouver le paquet pkgname
mee@mee-W65-67SZ:~$

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-pc 2.02~beta2-36ubuntu3.9
ProcVersionSignature: Ubuntu 4.4.0-72.93-generic 4.4.49
Uname: Linux 4.4.0-72-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
Date: Fri May 26 09:12:50 2017
DuplicateSignature:
 package:grub-pc:2.02~beta2-36ubuntu3.9
 Setting up grub-pc (2.02~beta2-36ubuntu3.9) ...
 dpkg: error processing package grub-pc (--configure):
  subprocess installed post-installation script returned error exit status 10
ErrorMessage: subprocess installed post-installation script returned error exit status 10
InstallationDate: Installed on 2016-07-31 (298 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-72-generic root=UUID=89b0f2d2-d2e7-4ddc-a741-ad5408d3404a ro splash quiet
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: grub2
Title: package grub-pc 2.02~beta2-36ubuntu3.9 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10
UpgradeStatus: No upgrade log present (probably fresh install)