Having just have to purchase a new Laptop, because of the expiry of trusted one, I removed Windows 8 and installed Ubuntu 12.04.3
It will mount CD/DVD, USB drives but will not run them, it will not run Kaffeine or VLC which it used to do in the past.
I have been using 12.04. since first release.
family are running 12.04 without a problem, why Me.
All help and Sugesstions Greatly Apreciated