How to prevent computer viruses

-Use antivirus software!
-UPDATE your antivirus software regularly. Try to choose a program that will automatically update virus definitions for you. For antivirus software reviews, see: http://www.consumerfirstreviews.com/antivirus
-DO NOT open unknown email attachments. Always scan attachments with your antivirus software.
-DELETE suspicious messages from your inbox AND your deleted mail folder.
-To ensure that your valuable information is safe, regularly backup your files. In the case that your computer is infected, no matter what your files are secure.

Here are some signs that your system may be infected with a virus:
· Your computer starts running slowly
· It shuts down unexpectedly or crashes frequently.
· It runs out of disc space or experiences memory problems
· Unusual files or directories appear on your system
· Strange messages appear on your screen