as a workaround, for me it was sufficient to manually run grub-install --root-directory /media/mountpoint-of-usb-drive /dev/dev-of-usb-drive
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1034601 Title: [(CRITICAL) install.py:97: Failed to install the bootloader]-.Startup Disk Creator crashes unexpectedly but finishes install in the backgorund To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usb-creator/+bug/1034601/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs