I have same issue with 17.04 full install to flash drive. It overwrites my main working install's /EFI/ubuntu on sda.
If I then remove flash drive system is unbootable. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1229488 Title: 13.10 USB to USB Install on UEFI Secure Boot Machine Left Host Unbootable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1229488/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
