Norton antivirus definition updates reliz new updating 10 23 2016
It secured AV-TEST certification in October 2009, having demonstrated its ability to eliminate all widely encountered malware.
It lost that certification in October 2012; in June 2013, MSE achieved the lowest possible protection score, zero.
It was version 22.214.171.124 for Windows Vista and Windows 7.
This update fixes a bug that was introduced earlier in version 126.96.36.199 which removed the “Scan with Microsoft Security Essentials" entry from the right-click context menu on files and folders.
Older versions would continue to receive automatic virus definition updates until July 14, 2015 (afterwards the users of older versions may continue to manually update definitions using Microsoft's site).
The latest version of 4.10 was released on November 29, 2016.
A public beta program started on November 18, 2011, when Microsoft sent out invitations to potential participants without announcing a version number.
Prior to version 4.5, MSE ran on , Windows Vista, and Windows 7, but not on Windows 8 and later, which have built-in AV components known as Windows Defender.
MSE 4.5 and later versions do not run on Windows XP.
Built upon the same scanning engine and virus definitions as other Microsoft antivirus products, it provides real-time protection, constantly monitoring activities on the computer, scanning new files as they are created or downloaded, and disabling detected threats.
It lacks the One Care personal firewall and the Forefront Endpoint Protection centralized management features.