Actually this is not so easy, usually virtualbox and ext pack are compatible each other, just sometimes you are forced to upgrade it too. Maybe upstream can provide some useful message to ask users to update, when the virtualbox update makes the extension pack incompatible
** Changed in: virtualbox (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1660093 Title: VirtualBox error - device helper structure version has changed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1660093/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs