package grub-efi-amd64-signed 1.66.22+2.02~beta2-36ubuntu3.22 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[johnnyrave]

dual boot UEFI Windows 10

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64-signed 1.66.22+2.02~beta2-36ubuntu3.22
ProcVersionSignature: Ubuntu 4.4.0-157.185-generic 4.4.181
Uname: Linux 4.4.0-157-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.19
Architecture: amd64
Date: Mon Aug 5 21:51:42 2019
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2019-04-08 (140 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.5
 apt 1.2.32
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.66.22+2.02~beta2-36ubuntu3.22 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)