Beyond that, make safe computing behaviors a habit and further reduce your risk of infection. Again You may have an anti-virus program installed on your computer, but it's not good enough to simply load the program and forget about it. An anti-virus program is only as good as its database of known viruses. With new viruses discovered every day, the software you just purchased is obsolete. Immediately after you install the program, log on to the software company's Web site and download data updates.
New updates are available every week.
Have the program scan your hard drive. This will identify any infected files resident in your system. If any viruses are found, you'll be given several options, depending on the severity of the infection. Infected files may be cleaned and repaired, or they may have to be discarded as permanently damaged. Set your anti-virus program to scan your computer each time it's booted up, or set it to do a complete system scan on a regular schedule.