It happens to me too.... virtualbox dkms failed to load module with the following error:
Building initial module for 4.0.0-040000-generic ERROR (dkms apport): kernel package linux-headers-4.0.0-040000-generic is not supported Error! Bad return status for module build on kernel: 4.0.0-040000-generic (x86_64) Consult /var/lib/dkms/virtualbox/4.3.10/build/make.log for more information. * Stopping VirtualBox kernel modules [ OK ] * Starting VirtualBox kernel modules * No suitable module for running kernel found [fail] invoke-rc.d: initscript virtualbox, action "restart" failed. System: Xubuntu 14.04.1 LTS ** Changed in: virtualbox (Ubuntu) Status: Invalid => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1447283 Title: Error! Bad return status for module build on kernel: 4.0.0-040000-generic (i686) Consult /var/lib/dkms/virtualbox- guest/4.3.10/build/make. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1447283/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs