Fortunately, several free programs and the use of a computer useful you can prevent bad things happen to you computer. Virus protection, install antivirus software is decent. You can download AVG Anti-Virus Free Edition is free for personal use, and ensure that it remains diperbarui.AVG is easy to use, requires very little system resources, providing timely updates of virus database and other features such as Auto Update Scanner emails, etc.

If your operating system is Windows XP, the firewall comes with, but you’d better download and use another firewall because Windows Firewall has been shown that a number of security vulnerabilities that are the same as IE and Windows. Zone Alarm is free software are ideal for home users. Spyware Protection

You also need good anti-spyware software on your computer. Be wary of anti-spyware programs that advertising pop-ups, these “anti-spyware” programs sometimes contain some of the same problems they are supposed to protect you against!

Most viruses from your e-mail. Other viruses derived from illegal downloading and legal. If you download illegal software or data, you can expect to find the virus in a relatively high rate. Some viruses are linked to web pages. Spyware often comes from “free” program. You need Spyware, with programs and installed a number of precautions that you need a personal computer spyware and virus free.