The same thing happened to me. nvidia-304 was uninstalled during the update and I am unable to install them.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-304-updates in Ubuntu. https://bugs.launchpad.net/bugs/1345217 Title: nvidia-304-update (video driver) got uninstalled and is uninstallable after update to HWE-Stack5 (from Ubuntu LTS 12.04.4 to 12.04.5) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304-updates/+bug/1345217/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp