If you currently have AVG 9.0 Free Edition installed on your PC you should upgrade to the latest version of this excellent free anti-virus program.  In order to make this simple we have compiled a step by step tutorial, including screenshots, for your assistance.

Disk Defragmenter is a hard drive maintenance tool built in to Windows operating systems. It helps to maintain the integrity of the filing system as described in our "What is?" guide.  This tutorial will show how to run the software on a Windows XP based machine.

It is good practice to run a Spybot scan on a weekly basis to ensure your PC stays spyware and trojan free.  This tutorial will show you how to acheive this.  Remember however to update and Immunise the system first.  If you need advice on this see our other tutorials.

To update Spybot you have to complete two seperate tasks, Update and Immunize.  Follow these instruction to Immunize Spybot.