Windows Defender

Windows Defender, formerly known as Microsoft AntiSpyware, is a software product that helps combat malware. Windows Defender was initially an antispyware program; it is included with Windows Vista and Windows 7 and is available as a free download for Windows XP and Windows Server 2003. In Windows 8, however, it is upgraded to an antivirus program.

Read more about Windows Defender:  Basic Features, Advanced Features, Windows Vista-specific Functionality, Windows Defender Offline

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    All day long the machine waits: rooms,
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    Anne Sexton (1928–1974)