Andy Walker is one of North Americas top technology journalists. He is Leos former co-host on Call for Help and runs the tech help web site Cyberwalker.com and co-hosts the massively popular video podcast LabRats.tv with Sean Carruthers. He is the author of the Absolute Beginners Guide to Security, Spam, Spyware and Viruses and Microsoft Windows Vista Help Desk. He also hosts the DVD Getting Started with Windows Vista.