Selecting previously unselected package virtualbox-4.2.
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Unpacking virtualbox-4.2 (from .../virtualbox-4.2_4.2.8-83876~Ubuntu~quantal_i386(1).deb) ...
dpkg: dependency problems prevent configuration of virtualbox-4.2:
 virtualbox-4.2 depends on libqt4-opengl (>= 4:4.7.2); however:
  Package libqt4-opengl is not installed.

dpkg: error processing virtualbox-4.2 (--install):
 dependency problems - leaving unconfigured
Processing triggers for ureadahead ...
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Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Processing triggers for desktop-file-utils ...
Processing triggers for gnome-menus ...
Processing triggers for hicolor-icon-theme ...
Errors were encountered while processing:
 virtualbox-4.2