Ubuntu display problem under virtual box
I'm running VirtualBox in Windows XP, trying to demonstrate the value of linux to a hardened windows user. However, when I boot from the Ubuntu LiveCD ISO image, the bootsplash progress bar runs fine, but once booting is done, only garbled colors are shown. VirtualBox is displaying a message about needing to be in 32bit color mode, but I cant' figure out how to change the color mode of the virtual machine.
Does anybody know what might solve this problem? Thanks!