Ubuntu 20.04 dual boot installation fails: grub-install: error: failed to register the EFI boot entry: Invalid argument

[Jarek Przygódzki]

I was refreshing my spare Lenovo laptop: clean Windows 10 installation with unallocated space left followed by Ubuntu installation.

Ubuntu 20.04 dual boot installation failed with: grub-install: error: failed to register the EFI boot entry: Invalid argument.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.445
Date: Sat Jun 20 22:05:48 2020
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)