Problems installing May CU with error 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING

[prolannic]

I have one 2022 Windows Server that is getting the error 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING

In CBS Log I found the following:

2025-05-22 08:37:18, Info                  CBS    Failed to pin deployment while resolving Update: Microsoft-Windows-InternetExplorer-Optional-Package~31bf3856ad364e35~amd64~~11.0.20348.2849.Internet-Explorer-Optional-amd64 from file: (null) [HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]
2025-05-22 08:37:18, Info                  CBS    Failed to bulk stage deployment manifest and pin deployment for package:Microsoft-OneCore-OpenSSH-Common-Package~31bf3856ad364e35~amd64~~10.0.20348.3451 [HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]

Attached you find the logs needed.

 

[Windows Update Bot]

Hi @prolannic,

Welcome to Sysnative Forums!

If you haven't already, please review the posting instructions here, and attach the requested log files. Without log files, our helpers will not be able to assist, and this will slow down fixing your machine.

If logs have been already been provided, our team of volunteers will analyse the provided log files to build a fix for your system. Please be aware that this may take several days from your initial post, due to the high volume of threads that we receive.


- Sysnative Windows Update Team

 

[prolannic]

@Maxstar Do you have any idea how to fix this? I think I just need the missing update packages

 

[Maxstar]

Hi,

Upload your COMPONENTS hive.

• Navigate to C:\Windows\System32\Config and locate the COMPONENTS file.
• Please copy this file to your desktop.
• Note: If you receive an error that this file is in-use, simply reboot your computer and try again.
• Right-click on this file on your desktop and select Send To > Compressed (zipped) folder. This will create a file named COMPONENTS.ZIP on your desktop.
• If the file is too large to upload here, upload the file to www.wetransfer.com and post the link in your next reply.

Export CBS (Component Based Servicing) hive

• Click on the Start button and type regedit
• When you see regedit on the list, right-click on it and select Run as administrator.
• When regedit opens, using the left pane, navigate to the following registry key and select it by clicking on it once.
  

  HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing

• Once selected, click File > Export....
• Change the Save as type: to Registry Hive Files (*.*).
  
  
  
  
  
• Name this file ComponentBasedServicing (with no file extension) and save it to your Desktop.
• Right-click on the saved file and choose Send > Compressed (zipped) Folder.
• Attach the .ZIP file to your next post.
• If the file is too large to upload here, upload the file to www.wetransfer.com and post the link in your next reply.