Update Microsoft Defender error 8024402f

Try open start and search for cmd or Command prompt and right click and run it as administrator and then type the following command:

sfc /scannow

Press enter and let it runs and see what the result is.

Hi,

The latest security intelligence update version is 1.373.1184.0.

Can you download and install the latest update from here?

https://www.microsoft.com/en-us/wdsi/defenderupdates

Or, from Admin PowerShell, run:

• Update-MpSignature

Are you able to update the Windows?

Try restart your PC and try again.

Yes i am everything works fine but when i was updating latest comulative (i think something like KB...69) when it says to restart the system crashes and goes into automatic repair and after i force shut down and open it again it works fine and the update is installed i uninstalled and installed the update again but this time it installed without any crash

Hello APPLEJET, welcome to the Microsoft community, I'll be happy to help you today;

I understand that you are having issues with Defender on Windows 11;

Initially I recommend that you check if you are updated with the latest version of Windows 11;

Press Windows key + i and go to Windows update;

Click Check for updates and do ALL pending updates;

Run the Windows Update troubleshooter;

Press Windows key + i and access System;

Click on Troubleshooting and then on Other Troubleshooters;

Locate Windows Update and click Run on the right to start troubleshooting;

Check if the problem has been fixed;

Hope this helps, see you soon!

Are you able to update the Windows?

Try restart your PC and try again.