Your current Hardware Enablement Stack (HWE) is going out of support
on 08/07/14. After this date security updates for critical parts (kernel
and graphics stack) of your system will no longer be available.
For more information, please see:
http://wiki.ubuntu.com/1204_HWE_EOL
To upgrade to a supported (or longer supported) configuration:
--* Upgrade from Ubuntu 12.04 LTS to Ubuntu 14.04 LTS by running:
sudo do-release-upgrade –
OR
- Install a newer HWE version by running:
sudo apt-get install linux-generic-lts-trusty linux-image-generic-lts-trusty
and reboot your system.