package friendly-recovery 0.2.41 failed to install/upgrade: installed friendly-recovery package post-installation script subprocess returned error exit status 1

[David Dunham]

Upgrading from 18 to 19 on windows subsystem.

ProblemType: Package
DistroRelease: Ubuntu 19.10
Package: friendly-recovery 0.2.41
ProcVersionSignature: Microsoft 4.4.0-18362.836-Microsoft 4.4.35
Uname: Linux 4.4.0-18362-Microsoft x86_64
ApportVersion: 2.20.11-0ubuntu8.8
Architecture: amd64
Date: Sun May 24 13:40:45 2020
Dmesg: [ 0.007228] Microsoft 4.4.0-18362.836-Microsoft 4.4.35
DuplicateSignature:
 package:friendly-recovery:0.2.41
 Setting up friendly-recovery (0.2.41) ...
 /usr/sbin/grub-probe: error: failed to get canonical path of `rootfs'.
 dpkg: error processing package friendly-recovery (--configure):
  installed friendly-recovery package post-installation script subprocess returned error exit status 1
ErrorMessage: installed friendly-recovery package post-installation script subprocess returned error exit status 1
PackageArchitecture: all
Python3Details: /usr/bin/python3.7, Python 3.7.5, python3-minimal, 3.7.5-1
PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.17-1
RelatedPackageVersions:
 dpkg 1.19.7ubuntu2
 apt 1.9.4ubuntu0.1
SourcePackage: grub2
Title: package friendly-recovery 0.2.41 failed to install/upgrade: installed friendly-recovery package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to eoan on 2020-05-24 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.