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Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component of Microsoft Windows.It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7.
Microsoft Security Essentials (MSE) is a discontinued antivirus software (AV) product that provides protection against different types of malicious software, such as computer viruses, spyware, rootkits, and Trojan horses.
Microsoft Safety Scanner is a free time-limited virus scan utility similar to the Windows Malicious Software Removal Tool. It is used to scan a system for computer viruses and other forms of malware .
Tech expert Kurt “CyberGuy" Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the victim to call and download software. Windows Defender Security Center scam: How ...
The service delivers software updates for Windows, as well as the various Microsoft antivirus products, including Windows Defender and Microsoft Security Essentials. Since its inception, Microsoft has introduced two extensions of the service: Microsoft Update and Windows Update for Business.
Windows Defender is included; Microsoft Security Essentials antivirus software is a free download. All editions include Shadow Copy, which—every day or so—System Restore uses to take an automatic "previous version" snapshot of user files that have changed. [80]
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