If your system has EFI Secure Boot enabled you may also need to sign the kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before you can load them. Please see your Linux system's documentation for more information.\ code example

Example: If your system is using EFI Secure Boot you may need to sign the kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before you can load them.

sudo -i
    cd /root/module-signing
    chmod 700 /root/module-signing/sign-vbox-modules
    ./sign-vbox-modules