In case of problems you should be aware that most (if not all) of the releases which are mentioned in this guide are unsupported, and getting help may be a bit tricky since most of us have already upgraded to a more recent version of Ubuntu.As always, take backups of your disks/partitions before upgrading.I don't remember if the "build-essential" package will suffice but give it a try.
Just click Upgrade and follow the on-screen instructions to upgrade your desktop systems.
Please note that all LTS desktop users need to wait till the first release called Ubuntu LTS v14.04.1 will be released by Canonical LTD.
As a complete novice on this level, what were going to be the consequences?
I first tried to use the synaptic package manager to see if an update could help. The video performance still seemed quite slow especially when browsing webpages.
Among other things, this could lead to misdirected email and web traffic.
Neel Mehta discovered that Open SSL incorrectly handled memory in the TLS heartbeat extension.
No disrespect intended, but I don't know the people who built them and I have no idea what might be in there.
In any environment where someone has to answer to a security professional that practice would be frowned upon.
After a standard system update you need to reboot your computer to make all the necessary changes.
Since this issue may have resulted in compromised private keys, it is recommended to regenerate them.