Your host user must be a member of the group vboxusers:
sudo gpasswd -a $USER vboxusers
(Change $USER to the correct user name if not for yourself)*
Upgrade the VirtualBox extension pack to the latest version
Take a look at these:
Your host user must be a member of the group vboxusers:
sudo gpasswd -a $USER vboxusers
(Change $USER to the correct user name if not for yourself)*
Upgrade the VirtualBox extension pack to the latest version
Take a look at these: