"The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Please reinstall the kernel module by executing
'/etc/init.d/vboxdrv setup'
as root. If it is available in your distribution, you should install the DKMS package first. This package keeps track of Linux kernel changes and recompiles the vboxdrv kernel module if necessary."
Bueno lo que leei que se usa para arreglarlo, es desintalar el viejo VBox e instlarlo de nuevo
sudo apt-get install linux-headers-generic build-essential dkms
sudo apt-get remove virtualbox-dkms
sudo apt-get install virtualbox-dkms