On 05/17/2016 12:55 AM, Rob Kampen wrote: > May 17 03:25:02 media.pcol.org VBoxManage[1987]: VBoxManage: error: > Could not find a registered machine named 'Windoze10_2' http://karim-ouda.blogspot.com/2011/07/errors-solutions-19.html This seems to be a common problem with VirtualBox, and doesn't appear to be systemd related. (Like others, I'd encourage you to move toward KVM.)