xubuntu 14.10 vms do not work in virtualbox
http://xubuntu.org/news/14-10-release/ You may get a black/blank background/screen instead of the Try/Install dialogue (1365815) Workaround is to move to TTY1 (with VirtualBox, RightCtrl+F1), then back to TTY7 (with VirtualBox, RightCtrl+F7) and proceed