UbiquityPartman.txt shows your /dev/sda* as a Windows system ; indeed you cant use that, but a Linux partitioned one (ext4 is a good example).
https://help.ubuntu.com/community/HowtoPartition https://ubuntuforums.org/showthread.php?t=2335326 ** Changed in: grub-installer (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1619650 Title: "Impossible to instal GRUB in /dev/sda " To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1619650/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
