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In October 2012, the product lost its AV-TEST certification when Microsoft Security Essentials 4.1 achieved scores of 1.5, 3.5 and 5.5 for its protection, repair and usability. [64] [65] In AV-TEST's 2011 annual review, Microsoft Security Essentials came last in protection, seventh in repair and fifth in usability. [66]
In a June 2006 Microsoft report, [2] the company claimed that the tool had removed 16 million instances of malicious software from 5.7 million of 270 million total unique Windows computers since its release in January 2005. The report also stated that, on average, the tool removes malicious software from 1 in every 311 computers on which it runs.
Upon installation, Microsoft Security Essentials disabled and replaced Windows Defender. [41] [42] In Windows 8, Microsoft upgraded Windows Defender into an antivirus program very similar to Microsoft Security Essentials for Windows 7, [4] and it also uses the same anti-malware engine and virus definitions from MSE.
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 .
Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more.
Windows Live OneCare (previously Windows OneCare Live, codenamed A1) was a computer security and performance enhancement service developed by Microsoft for Windows.A core technology of OneCare was the multi-platform RAV (Reliable Anti-virus), [1] which Microsoft purchased from GeCAD Software Srl in 2003, [2] but subsequently discontinued. [3]
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 .
Available as a free download [12] Yes Yes (added antivirus capabilities, available in older versions as the Microsoft Security Essentials download) Windows Firewall: Yes Windows Security Center: Yes (starting with SP2) Yes Yes (replaced by Action Center) Yes (replaced by Security and Maintenance) BitLocker Drive Encryption: Only viewing contents
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