Antivirus software is a computer program that detects, prevents, and takes action to disarm or remove malicious software programs, such as viruses and worms. You can help protect your computer against viruses by using antivirus software.
Computer viruses are software programs that are deliberately designed to interfere with computer operation, record, corrupt, or delete data, or spread themselves to other computers and throughout the Internet.
To help prevent the most current viruses, you must update your antivirus software regularly. You can set up most types of antivirus software to update automatically.
Here are two types of antivirus protection from Microsoft:
For continuous protection, try Windows Live OneCare, which automatically scans your computer for viruses. You can use it free for 90 days.
For on-demand protection, Windows Live OneCare safety scanner allows you to visit a Web site and scan your computer for viruses and other malicious software for free using Windows Live OneCare safety scanner.