I have a fresh install of VirtualBox and Boot2Docker on my Windows 8.1 machine. When I try to run start.sh from the Boot2Docker install, I get the following message. 

Any ideas?
I have a fresh install of VirtualBox and Boot2Docker on my Windows 8.1 machine. When I try to run start.sh from the Boot2Docker install, I get the following message. 

Any ideas?