Checking Files for Viruses
•Two popular choices for protecting PCs are Norton AntiVirus and McAfee VirusScan.
•
•Antivirus software must be turned on, properly configured, and include current virus patterns to protect your computer from viruses.
•
•You must regularly download virus patterns from the server to keep your computer safe. 
•
•One of the best ways to protect your computer from viruses is to be careful about which files you download and the sources you use to get those files.