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.

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.

If Windows Defender is blocking Avast antivirus, ... Problems may occur with the outdated version of the Windows operating system. ... Open Windows 11/10 Settings and check for Windows Updates.

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.

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 ...

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 ...

Here are the basics: Microsoft Defender is the virus protection integrated into Windows by default. If no other antivirus program is installed and activated, Defender protects you against viruses.