package grub-efi-amd64 2.02~beta2-36ubuntu3.2 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 10

Description: Ubuntu 16.04 LTS
Release: 16.04

grub-efi-amd64:
  Installé : 2.02~beta2-36ubuntu3.2
  Candidat : 2.02~beta2-36ubuntu3.2
 Table de version :
 *** 2.02~beta2-36ubuntu3.2 500
        500 http://ch.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     2.02~beta2-36ubuntu3 500
        500 http://ch.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
N: Impossible de trouver le paquet 2.02~beta2-36ubuntu3.
N: Couldn't find any package by glob '2.02~beta2-36ubuntu3.'
N: Impossible de trouver de paquet correspondant à l'expression rationnelle « 2.02~beta2-36ubuntu3. »

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64 2.02~beta2-36ubuntu3.2
ProcVersionSignature: Ubuntu 4.4.0-42.62-generic 4.4.21
Uname: Linux 4.4.0-42-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Wed Oct 19 23:37:52 2016
ErrorMessage: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 10
InstallationDate: Installed on 2016-09-22 (27 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
InvalidGrubScript: /etc/grub.d/25_custom
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-42-generic.efi.signed root=UUID=0c396b46-926a-49ca-93dc-08c7e677e543 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: grub2
Title: package grub-efi-amd64 2.02~beta2-36ubuntu3.2 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 10
UpgradeStatus: No upgrade log present (probably fresh install)