可能重复：
Virtualbox 内核驱动程序未安装
最近我将内核更新为3.2.0-29-generic. 此后，我的 VirtualBox 无法打开并显示错误消息
VirtualBox - Error in suplibOsInit
Kernel driver not installed (rc=-1908)
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.
为了使它工作，我必须每次执行以下命令：
sudo …