package:grub-efi-amd64-signed:1.93+2.02-2ubuntu8
Setting up shim-signed (1.34.9+13-0ubuntu2) ...
Instalando para a plataforma x86_64-efi.
grub-install: erro: cannot find EFI directory.
dpkg: error processing package shim-signed (--configure):
 installed shim-signed package post-installation script subprocess returned error exit status 1