Get safe online  

A long last someone has written something about computer viruses and how to protect your computer that's easy to understand.  It was also sponsored by the Government.

http://www.getsafeonline.org/

There a 10 minute guide for beginners which contains a high level checklist of main actions that you need to take to protect your computer and key advice about protecting yourself from online criminals. It is a starting point, not a substitute for visiting the rest of the site.