package shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2 failed to install/upgrade: o subprocesso instalado, do pacote shim-signed, o script post-installation retornou erro do status de saída 1

[alan branco]

error post ubuntu instalation.

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2
ProcVersionSignature: Ubuntu 5.4.0-51.56-generic 5.4.65
Uname: Linux 5.4.0-51-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
CasperMD5CheckResult: skip
Date: Thu Oct 15 23:00:56 2020
ErrorMessage: o subprocesso instalado, do pacote shim-signed, o script post-installation retornou erro do status de saída 1
InstallationDate: Installed on 2020-10-16 (0 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
Missing: /boot/efi/EFI/ubuntu directory is missing
Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2ubuntu0.1
SourcePackage: shim-signed
Title: package shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2 failed to install/upgrade: o subprocesso instalado, do pacote shim-signed, o script post-installation retornou erro do status de saída 1
UpgradeStatus: No upgrade log present (probably fresh install)