Protecting your computer from viruses
A virus is a program that attaches itself to a program or data file on a computer and then spreads from one computer to another. Viruses can damage data, cause computers to malfunction, and can display annoying or offensive messages. Some viruses can go unnoticed for long periods of time because they are activated on a certain date or time.
Protect your computer from a virus by:
■Obtaining an
■Getting all software from reputable sources and checking the software for viruses before installing it
■Disabling macros on suspicious Microsoft Word and Excel files. These programs will warn you if a document that you are opening contains a macro that might have a virus.
50Maintaining Your Computer
