Проблема Virtualbox [дубликат]

Каждый раз, когда я пытаюсь открыть свою виртуальную машину окон, я получаю эту ошибку https://prnt.sc/fj0grw

Это команды, которые я выполнял, и что они возвратили

$ sudo modprobe vboxdrv
modprobe: ERROR: could not insert 'vboxdrv': Required key not available
$ sudo apt-get install DKMS
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package DKMS
$ sudo apt-get install dkms
Reading package lists... Done
Building dependency tree       
Reading state information... Done
dkms is already the newest version (2.2.0.3-2ubuntu11.3).
dkms set to manually installed.
The following packages were automatically installed and are no longer required:
linux-headers-4.8.0-36 linux-headers-4.8.0-36-generic
linux-image-4.8.0-36-generic linux-image-extra-4.8.0-36-generic
linux-signed-image-4.8.0-36-generic
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 103 not upgraded.
$ sudo /etc/init.d/vboxdrv setup
sudo: /etc/init.d/vboxdrv: command not found
$ sudo /etc/init.d/vboxdrv setup 
sudo: /etc/init.d/vboxdrv: command not found
$ sudo modprobe vboxdrv
modprobe: ERROR: could not insert 'vboxdrv': Required key not available
$ modprobe vboxdrv
modprobe: ERROR: could not insert 'vboxdrv': Operation not permitted
$ sudo /etc/init.d/vboxdrv setup
sudo: /etc/init.d/vboxdrv: command not found
$ cd  /etc/init.d/vboxdrv setup
bash: cd: /etc/init.d/vboxdrv: No such file or directory
$ modprobe vboxdrv setup
modprobe: ERROR: could not insert 'vboxdrv': Operation not permitted
$ sudo modprobe vboxdrv setup
modprobe: ERROR: could not insert 'vboxdrv': Required key not available
$ sudo modprobe vboxdrv setup^C
$ c