Activating EFI boot (Settings->System->Motherboard) in my Virtual Machine appears to have fixed the issue for me as well (Windows 10, 64 bit, VirtualBox 5.1.2)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574316 Title: Defective display when booting from 16.04 LiveCD (Ubuntu and Xubuntu) in Virtualbox To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1574316/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs