package shim-signed 1.19~16.04.1+0.8-0ubuntu2 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1

[gueguen]

Hello
I have this issue at start mainly; no clue where it comes from.
thanks

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: shim-signed 1.19~16.04.1+0.8-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
BootEFIContents:
 fw
 fwupx64.efi
Date: Mon Jan 9 21:19:13 2017
DpkgHistoryLog:
 Start-Date: 2017-01-09 21:19:10
 Commandline: /usr/bin/unattended-upgrade
 Upgrade: libnss3-nssdb:amd64 (2:3.23-0ubuntu0.16.04.1, 2:3.26.2-0ubuntu0.16.04.2), libnss3-1d:amd64 (2:3.23-0ubuntu0.16.04.1, 2:3.26.2-0ubuntu0.16.04.2), libnss3:amd64 (2:3.23-0ubuntu0.16.04.1, 2:3.26.2-0ubuntu0.16.04.2)
EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: efibootmgr: EFI variables are not supported on this system.
ErrorMessage: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.15ubuntu0.2
SourcePackage: shim-signed
Title: package shim-signed 1.19~16.04.1+0.8-0ubuntu2 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Steve Langasek (vorlon)]

The full error in the logs attached to your bug report is:
Paramétrage de grub-efi-amd64-signed (1.66.2+2.02~beta2-36ubuntu3.2) ...
grub-install : erreur : /usr/lib/grub/i386-pc/modinfo.sh n'existe pas. Veuillez utiliser --target ou --directory.
dpkg: erreur de traitement du paquet grub-efi-amd64-signed (--configure) :
 le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
Paramétrage de shim-signed (1.19~16.04.1+0.8-0ubuntu2) ...
Installation pour la plate-forme x86_64-efi
grub-install : erreur : impossible de trouver le répertoire EFI.
dpkg: erreur de traitement du paquet shim-signed (--configure) :
 le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1

Do you know if this system uses UEFI? It appears to be a BIOS system instead, which means it's an error to have shim-signed and grub-efi-amd64-signed installed: you should have grub-pc installed.

[Launchpad Janitor (janitor)]

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