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I am having a problem with installing the "Update for Microsoft Defender Antivirus antimalware platform - KB4052623 (Version 4.18.2205.7)" Update on my Microsoft Hyper-V Server 2019 Core Server. Using sconfig it always says installation failed. I also tried to download the update file from update-katalog. You will find 3x .cab files and 3x .exe files on the microsoft update-katalog site for this update. I tried all of them. The cab files return an error, if i run them using dism:

dism /online /add-package /packagepath:"C:\37049705_04c96011b32d783314a49ed52845bfe05357f68f.cab

If I run the .exe files nothing happens.

I also found on this site https://support.microsoft.com/en-us/topic/update-for-microsoft-defender-antimalware-platform-kb4052623-92e21611-8cf1-8e0e-56d6-561a07d144cc that Applocker could lead to this problem, if activated. But on my hyper-v server applocker isn't activated.

In the log file i found the following entries:

2022-07-01 09:53:57, Error                 DISM   DISM Package Manager: PID=3808 TID=856 Failed to get the Update through CBS. - CDISMPackage::Internal_OpenFeature(hr:0x800f080c)
2022-07-01 09:53:57, Error                 DISM   DISM Package Manager: PID=3808 TID=856 Failed to get the underlying CBS Feature - CDISMPackage::OpenFeature(hr:0x800f080c)
2022-07-01 09:53:57, Error                 DISM   API: PID=2376 TID=1640 Failed to open feature Windows-Defender-Default-Definitions - CDisableFeatureCommandObject::InternalExecute(hr:0x800f080c)
2022-07-01 09:53:57, Error                 DISM   API: PID=2376 TID=1640 InternalExecute failed - CBaseCommandObject::Execute(hr:0x800f080c)
2022-07-01 09:53:57, Error                 DISM   API: PID=2376 TID=1584 CDisableFeatureCommandObject internal execution failed - DismDisableFeatureInternal(hr:0x800f080c)

I already tried the DISM /Online /Cleanup-Image /RestoreHealth scan and sfc /scannow. Still got the problem. Also tried to delete the distribution file as well.

Could you help me find out what the problem is and how to install this update ?

Hemanth Kumar
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keeran
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  • I suspect Microsoft will need to release another update to address this. – Greg Askew Jul 01 '22 at 15:54
  • Hallo Greg thx for the answer. Did you hear about this problem before ? I will be relieved if there are some others, who also got this problem and there aren't anyways to solve it, other than it is really the update file which is corrupted and throwing those errors. Thx again for the reply. – keeran Jul 04 '22 at 05:36
  • Yes, the latest KB4052623 (4.18.2205.7) doesn't work on Hyper-V Server 2019. It gets an error "MpClient.dll version in package is 4.18.2205.7, but after update machine has older version 4.18.2001.10". They re-release KB4052623 about once a month, so it'll be interesting to see if Microsoft knows it's a problem and fixes it then or do an out-of-band update. – Willie Jul 07 '22 at 20:00
  • Just a note that KB4052623 has been updated to 4.18.2207.7, but still fails to install on Hyper-V Server 2019. – Willie Sep 08 '22 at 20:45

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I am seeing the same issue...reinstalled a server, etc. attempting to resolve this issue and never could get it to update. Hope they release a working update soon.

KLannom
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