Bummer - looks like new macs are not working well with VBox. I'm going to explore a later version of VirtualBox. (this is actually Dav)
Failed to open a session for the virtual machine BCE-2015-summer.
Failed to load VMMR0.r0 (VERR_VMM_SMAP_BUT_AC_CLEAR).
| Result Code: | NS_ERROR_FAILURE (0x80004005) |
| Component: | ConsoleWrap |
| Interface: | IConsole {872da645-4a9b-1727-bee2-5585105b9eed} |