Ubuntu
grub2 package

  1. Bug #1814187
  2. Comment #4

Comment 4 for bug 1814187

Revision history for this message
Braedon Vickers (braedon-vickers) wrote : Re: package grub-efi-amd64 2.02-2ubuntu8.10 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127

I had the same issue, and installing mokutil fixes it for me too. Thanks @arndbehring!