In Windows 10, type Windows Defender in the Cortana search box and press Enter. In the upper-right corner, click Settings. Scroll down to the bottom and your Engine version appears under Version info.

Published May 12, 2017 at 4:06 PM EDT Updated May 23, 2017 at 10:16 PM EDT. Microsoft has issued an emergency patch for a vulnerability in Windows Defender.

That fix, Windows Defender version 4.18.1908.7, unfortunately introduced another, just as serious, scanning problem: both quick and full scans stopped working after inspecting only a handful of files.

Windows 10 users can check their Windows Defender version by going to Windows Security, clicking on the Settings cog icon in the bottom left of the screen, and then selecting About.

Windows 10, version 21H1 from May 2021 will not get security fixes in the January ... Windows Defender Application Guard ... Users can check for the update in Windows Update within ...

To check if you have the latest version of the DLL, go to C:\ProgramData\Microsoft\Windows Defender\Definition Updates, open the folder with a long alphanumeric name, right-click on mpengine.dll ...

The company announced that its Windows Defender can run in a sandbox. ... but it can also be enabled on Windows 10 starting version 1703. ... To check for this, ...

The fix has been delivered as ‘Security Intelligence Update for Windows Defender Antivirus - KB2267602 (Version 1.301.1684.0) ... You can ‘Check for updates’ for Windows Defender here, ...

If you do choose to upgrade to the final release, it will remove Beta 2 (which expires December 31). By downloading the new version, you are also entitled to two free support incidents. I've used ...