Windows 10: Windows Defender KB4052623 impossible to install, error 0x80070643

Hi!

As the title says, I can't install KB4052623 from Windows Update, it fails with 0x80070643. I have tried reinstalling the OS, same problem.

:)

 

Windows Defender update KB4052623 Error 0x80070643


I keep getting this fail error - • Update for Windows Defender antimalware platform - KB4052623 (Version 4.12.17007.17123) - Error 0x80070643 Has anyone else run into this or know a solution?

 

Update for Windows Defender Antivirus antimalware platform - KB4052623 (Version 4.18.1807.18075) - Error 0x80070643

I have tried so many solutions for this. None of those work. Windows defender updates has been issue since I've installed this.

Windows 10 Pro

Version 1803

Installed on 16.5.2018

OS Build 17134.254

List of post what i've tried:

Windows Defender update KB4052623 has been failing to install with error 0x80070643 for months : techsupport (all comments)

Windows 10 perpetually fails to install KB4052623 every 10 mins (Solved) - AnandTech Forums: Technology, Hardware, Software, and Deals

KB4052623 (Version 4.16.17656.18052) - Error 0x80070643 Defender Troubleshooter - gives conflicting reports

Error 0x80070643 - KB4052623 - Can we get better instructions?

KB4052623 (Version 4.18.1806.18062) - Error 0x80070643 win 10 pro 1803 5/2/2018 os build 17134.112

KB4052623 (v. 4.16.17656.18052) Install Fail - 0x80070643: Possible workaround?

Windows Defender update KB4052623 has been failing to install with error 0x80070643 for months

Windows Defender update KB4052623 Error 0x80070643 Solved - Windows 10 Forums

https://www.tenforums.com/antivirus...02742-defender-antimalware-client-update.html

 

KB4052623 Install Fail (Error 0x80070643): A suggested workaround.


Hi all

I've seen a number of threads online about "Update for Windows Defender antimalware platform - KB4052623 (Version 4.16.17656.18052)" failing to install (Error 0x80070643).

About a week after the 2018-05 Cumulative Update for Windows 10 Version 1803 for x64-based Systems (KB4100403), I noted the above message in my own update history.

I got some ideas online I turned into a workaround that worked for my circumstances.

In the hope it may work for others, I've posted it on Microsoft Community at KB4052623 - Microsoft Community.

If posting a link to another forum rather than putting the workaround here is acceptable, I'd be really grateful as - being image-intensive - it was a bit long to set up.

Cheers