It looks like you're trying to install under a UEFI environment. Did you do manual partitioning? Becuse it looks like grub-install is unable to find the EFI partition it needs:
Aug 23 09:04:15 ubuntu ubiquity: grub-install: error: cannot find EFI directory. (from the Ubiquity syslog file). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1712513 Title: dosent work conformation link To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1712513/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
