Virtualbox 5.0.40 is not working with the new kernel (4.13.0-26), but the new version of VBox (5.2) works fine.
Download it from VirtualBox page or add the source to your sources.list: sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian xenial contrib" >> /etc/apt/sources.list' Add Oracle public key: wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1736116 Title: Host with kernel 4.13 freezes when starting a VM with VirtualBox To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1736116/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs