 The technology behind Windows Defender, Microsoft's
popular antispyware software, is built into the
Windows Live OneCare online safety and security software
subscription service. If you use OneCare, you do not need to
download Windows Defender. If you already have Windows Defender installed on your
computer, and then you download Windows Live OneCare, you do
not need to uninstall Windows Defender. OneCare will
automatically turn off Windows Defender so you won't get
messages from two different versions of the program. What is Windows Defender?Windows Defender is a free program that helps protect
your computer against pop-ups, slow performance, and security
threats caused by
spyware and other unwanted software. For more information, see
Windows Defender: Spyware protection for free or
download Windows Defender from the Microsoft Download
Center. What is Windows Live OneCare?Windows Live OneCare is a comprehensive service that
helps protect your computer and your home network from many
different kinds of threats, including viruses, worms,
spyware, and other unwanted software. It also helps protect
your identity online by enabling the
Microsoft Phishing Filter in Internet Explorer
7. It also enables you to back up your important documents
in case of emergency and runs regular tune-ups to help your
computer function smoothly. For more information, see
5 reasons to use Windows Live OneCare to help protect your
computer or
download and try OneCare free for 90 days. For a side-by-side comparison of Windows Defender,
Windows Live OneCare, and other products from Microsoft, see
Antispyware and antivirus products from Microsoft
compared.
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