@costamagnagianfranco thanks a lot! The following worked for me:
sudo apt-get install dkms/bionic-proposed sudo apt-get install virtualbox-dkms/bionic-proposed sudo apt-get install virtualbox-qt/bionic-proposed
@costamagnagian franco thanks a lot! The following worked for me:
sudo apt-get install dkms/bionic- proposed dkms/bionic- proposed qt/bionic- proposed
sudo apt-get install virtualbox-
sudo apt-get install virtualbox-