[Bug 1937892] [NEW] package grub-efi-amd64-signed 1.169+2.04-1ubuntu45 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status

*** This bug is a duplicate of bug 1937011 *** https://bugs.launchpad.net/bugs/1937011 Public bug reported: happens during update ProblemType: Package DistroRelease: Ubuntu 21.04 Package: grub-efi-amd64-signed 1.169+2.04-1ubuntu45 ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21

[Bug 1937011] [NEW] package grub-efi-amd64-signed 1.169+2.04-1ubuntu45 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status

Public bug reported: while updating packages, it crshes! ProblemType: Package DistroRelease: Ubuntu 21.04 Package: grub-efi-amd64-signed 1.169+2.04-1ubuntu45 ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21 Uname: Linux 5.11.0-22-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1