[SOLVED] Can't install Defender - 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING

Remove Update Manually
  1. Click on the Start button and in the search box, type Command Prompt.
  2. When you see Command Prompt on the list, right-click on it and select Run as administrator.
  3. When command prompt opens, copy and paste the following command into it, then press enter.
    wusa /uninstall /KB:4593226
  4. Let me know if it says it was successful or if there are any errors.
 
Hi PeterJ,

thank you for your response.

I get an error, that this update is not installed:

1645431912334.png

Thank you for your help and best regards,

BrewDrew
 
FRST Registry Search
  1. Click the Start button and choose Control Panel.
  2. In the upper right corner ensure the View by: is set to Category.
  3. Select the Programs group.
  4. Click the Turn Windows features on or off link. This will bring up the Server Manager or Windows Features dialog.
    Note: This loads your components hive which is what we want. Please keep this dialog open while you perform the remaining steps. You can minimize it if you wish but keep it open.
  5. Right-click on the file FRST64.exe and choose Run as administrator.
  6. Copy and paste KB4593226 into the Search box and click the Search Registry button.
  7. When the scan is complete, a message will display that 'SearchReg.txt' is saved in the same folder FRST was started from. Notepad will open this file also. Close Notepad and attach the file 'SearchReg.txt' to your next reply.
  8. You may close any remaining open windows now.
 
Step 1:
Warning: This script was written specifically for this user, for use on that particular machine. Do not run this script on another machine.
  1. Download the attachment fixlist.txt and save it to your desktop.
  2. Right-click on FRST64.exe and select "Run as administrator".
  3. Press the Fix button.
  4. The tool will now process fixlist.txt.
  5. If for some reason the tool needs a restart, please make sure you let the system restart normally. After that let the tool complete its run.
  6. When finished, a log called Fixlog.txt will appear in the same directory the tool is run from.
  7. Attach the logfile Fixlog.txt to your next reply.
Step 2:
Restart the machine.
Open an elevated command prompt.
Copy and paste the following commands into it, press enter after each.

Code: 
sfc /scannow
Wait for this to finish before you continue

Code: 
copy %windir%\logs\cbs\cbs.log "%userprofile%\Desktop\cbs.txt"
This will create a file, cbs.txt on your Desktop. Zip this file and attach the zipped cbs.txt to your next post.
 

Attachments

Follow the instructions below to run a scan with the DISM tool and provide a log.
  1. Right-click the Start button and click Command prompt(Administrator).
  2. If you get a popup about UserAccountControl, allow the program to run.
  3. When command prompt opens, copy and paste the following commands into it, press enter after each.

    Code: 
    dism /Online /Cleanup-Image /CheckComponentStore
    Wait for this to finish before you continue

    Code: 
    copy %windir%\logs\dism\dism.log "%userprofile%\Desktop\dism.txt"
  4. This will create a file, dism.txt on your Desktop. Please attach this to your next post.
    Zip the copied file and attach it to your next reply.
 
Hi PeterJ,

thank you for your suggestion.
Because I got a syntax error, I used the option "AnalyzeComponentStore" with the dism tool.

I zipped and uploaded the log:
https://we.tl/t-vm8WkxpTTx


Thank you for your help and best regards,

BrewDrew
 
Export registry as hive
  • Click on the Start button and in the search box, 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 To -> Compressed (zipped) Folder.
  • Attach the .ZIP file to your next post.
  • If the file is too large to upload here, please upload to WeTransfer and just provide the downloadlink here.
 
Step 1:
Warning: This script was written specifically for this user, for use on that particular machine. Do not run this script on another machine.

Download the attachment and extract it.
Open the extracted folder, double-click the file regfix.reg.
When prompted allow to change the registry settings.
Report the result.

Step 2:
Run the command SFC /scannow in a elevated commandprompt and report the result.
if it fails attch the zipped cbs.log to your next reply.
 

Attachments

Hi PeterJ,

thank you for your registry file.
Because I got an error everytime I tried to import it (even after changing the permissions and ownerships of the registry keys), I changed the 2 REG_DWORDs by hand.

Windows-Defender-Server-Core-Group-onecore-Package~31bf3856ad364e35~amd64~~0.0.0.0 Windows-Defender-Server-Core-Group-onecore-Package~31bf3856ad364e35~amd64~tr-TR~10.0.14393.0
to dword:0

Windows-Defender-Server-Core-Group-amcore-Package~31bf3856ad364e35~amd64~tr-TR~0.0.0.0 Windows-Defender-Server-Core-Group-amcore-Package~31bf3856ad364e35~amd64~tr-TR~10.0.14393.0
to dword:0

Afterwards, I rebooted the server and run sfc /scannow in an elevated command prompt.
Then, I tried to install Windows Defender with the Server-Feature "Add A Role Or Feature".
Since it's still not possible, I zipped and uploaded the logs ("CBS.log" and "CbsPersist_20220302073416.log"):
https://we.tl/t-r1dT3bPXh3


Thank you for your help and best regards,

BrewDrew
 
Install Update with DISM
  1. Download the update MSU here: http://download.windowsupdate.com/d..._f0b427c713754e50609ad0fa7054607a5d404f37.msu
  2. Copy the MSU file to a convenient location (such as C:\temp).
  3. Click on the Start button and in the search box, type Command Prompt
  4. When you see Command Prompt on the list, right-click on it and select Run as administrator
  5. When command prompt opens, copy and paste the following commands into it, press enter after each

    cd C:\temp
    replace C:\temp with your path if different

    expand windows10.0-kb5010359-x64_f0b427c713754e50609ad0fa7054607a5d404f37.msu -f:* C:\temp

    DISM.exe /Online /Add-Package /PackagePath:C:\temp\windows10.0-kb5010359-x64.cab

  6. You should receive the message:
    The operation completed successfully.
    Make sure to allow the computer to restart if prompted.
  7. If you receive any other message:
    Post a screenshot of the Commandprompt window.
    Zip and attach the file C:\Windows\Logs\CBS\CBS.log
 
Hi PeterJ,

thank you for your suggestions.

The Update Package Installation ran without an error and we received the message:
The operation completed successfully.

Unfortunatelly, the installation of Windows Defender is still not possible and we got the same error like in our first post:
0x80073701 - ERROR_SXS_ASSEMBLY_MISSING

I zipped and uploaded all of the current CBS files:
CbsPersist_20220216131122.zip


Thank you and best regards,

BrewDrew
 
Step 1:
Warning: This script was written specifically for this user, for use on that particular machine. Do not run this script on another machine.
  1. Download the attachment fixlist.txt and save it to your desktop.
  2. Right-click on FRST64.exe and select "Run as administrator".
  3. Press the Fix button.
  4. The tool will now process fixlist.txt.
  5. If for some reason the tool needs a restart, please make sure you let the system restart normally. After that let the tool complete its run.
  6. When finished, a log called Fixlog.txt will appear in the same directory the tool is run from.
  7. Attach the logfile Fixlog.txt to your next reply.

Step 2:
Restart the machine.
Open an elevated command prompt.
Copy and paste the following commands into it, press enter after each.
Code: 
sfc /scannow
Wait for this to finish before you continue

Code: 
copy %windir%\logs\cbs\cbs.log "%userprofile%\Desktop\cbs.txt"
This will create a file, cbs.txt on your Desktop. Zip this file and attach the zipped cbs.txt to your next post.
 

Attachments

Try to install Windows Defender again and report the result.
If it fails attach the zipped cbs.log to your next reply.
 
Hi PeterJ,

thank you for your suggestions.

Unfortunatelly, I got the same error (0x80073701 - ERROR_SXS_ASSEMBLY_MISSING) after trying to install the Windows Defender Feature per "Add a Role or Feature" via the Server-Manager.
I zipped and uploaded the requested CBS logs:
https://we.tl/t-nFCagzrP93


Thank you for your help and best regards,

BrewDrew
 
Warning: This script was written specifically for this user, for use on that particular machine. Do not run this script on another machine.
  1. Download the attachment fixlist.txt and save it to your desktop.
  2. Right-click on FRST64.exe and select "Run as administrator".
  3. Press the Fix button.
  4. The tool will now process fixlist.txt.
  5. If for some reason the tool needs a restart, please make sure you let the system restart normally. After that let the tool complete its run.
  6. When finished, a log called Fixlog.txt will appear in the same directory the tool is run from.
  7. Attach the logfile Fixlog.txt to your next reply.
 

Attachments

Hi PeterJ,

thank you for your instructions and the fixlist.
I zipped and uploaded the requested logs:
Fixlog.zip


Thank you for your help and best regards,

BrewDrew
 
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