error: warning: `VirtualBox’ uses 32-bit capabilities (legacy support in use). By Cătălin George Feștilă | 11/12/2012 0 Comment warning: `VirtualBox' uses 32-bit capabilities (legacy support in use)1warning: `VirtualBox' uses 32-bit capabilities (legacy support in use)This means that VirtualBox uses the old Linux capability API.This happens when you use an old Linux distro.