Buzz1927

These are a few basic steps to take to prevent malware installing on your computer.

1. Keep Windows Updated

A large proportion of Windows updates are to close holes exploited by malicious programs. Simply staying updated will keep a lot of infections off your system.
Windows Updates

Change your browser
Firefox is far more secure than Internet Explorer, with the added bonus of a built-in popup blocker.
Firefox Browser

Use a firewall

Surfing the internet without a firewall is like inviting malware onto your system. Only use one.
Free Firewalls ZoneAlarm Kerio Sygate

Use an Anti-Virus

These programs are free for home use, and perfectly adequate for the average user. Again, use only one.
Free Anti-Virus AVG Avast Antivir

Install Anti-Spyware protection

These four programs will help to keep malware off your system, and will happily co-exist side by side.
Free Anti-Spyware Windows Defender AdAware 2007 SpybotSD SpywareBlaster