Modules need to be signed with EFI settings. See https://stegard.net/2016/10/virtualbox-secure-boot-ubuntu-fail/ for a pretty simple fix.
** Changed in: virtualbox (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826681 Title: Virtual Box cannot be installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1826681/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs