This is still happening in Ubuntu 12.04 LTS. With the following lines in preseed:
d-i grub-installer/only_debian boolean true d-i grub-installer/with_other_os boolean true it still prompts that grub was not installed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/580408 Title: Option 'No' at question 'Continue without installing GRUB?' does nothing. Forced to answer 'Yes'. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/580408/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs