> Is it safe to remove shim-signed?
Certainly not. And it wouldn't fix the problem of grub-multi-install failing.
You can run dpkg-reconfigure grub-pc manually, which should allow you to update the disk configuration.
> Is it safe to remove shim-signed?
Certainly not. And it wouldn't fix the problem of grub-multi-install failing.
You can run dpkg-reconfigure grub-pc manually, which should allow you to update the disk configuration.