Unable to install boot loader

[Joe]

No matter where I try to install the bootloader, the installation tool simply refuses. I have Windows installed on sda and I'm attempting to install Ubuntu 22.04 on sdb.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubiquity 22.04.20 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 6.5.0-18.18~22.04.1-generic 6.5.8
Uname: Linux 6.5.0-18-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.470.2
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 14 16:12:25 2024
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64 (20240220)
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)