Hello, installing the guest-source package has zero effect, unless you manually build the kernel module with module-assistant.
I don't understand why this upgrade broke your installation, you can take the previous binaries from here https://launchpad.net/ubuntu/+source/virtualbox-hwe/5.0.40-dfsg-0ubuntu1.16.04.1~16.04.4 or upgrade to bionic and tell if something is broken there :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1760063 Title: Many tools don't start after upgrade of virtualbox-hwe To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox-hwe/+bug/1760063/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs