user5@system:/$ sudo apt-get install virtualbox-dkms
Reading package lists... Done
Building dependency tree       
Reading state information... Done
virtualbox-dkms is already the newest version (5.0.40-dfsg-0ubuntu1.16.04.1).
virtualbox-dkms set to manually installed.
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 emacs24 : Depends: emacs24-bin-common (= 24.5+1-6ubuntu1) but 24.5+1-6ubuntu1.1 is to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
user5@system:/$