It looks like grub has decided it is 32 bit even though it is not:
grub-install: error: /usr/lib/grub/i386-pc/modinfo.sh doesn't exist. Please specify --target or --directory.
It looks like grub has decided it is 32 bit even though it is not:
grub-install: error: /usr/lib/ grub/i386- pc/modinfo. sh doesn't exist. Please specify --target or --directory.