[SOLVED] Windows Server 2016 STD - Windows Update Error (0x80073701)

Now the server's Windows Update is picking up 2025-02 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5052006)... But it still ends in Error 0x80073701
 
Don't install any new updates while we are fixing another update!

Step 1:
WARNING! The following fix is specific to the user's system in this thread only. No one else should follow these instructions, as it could damage your system.
  • Download the attachment SFCFix.zip and save it on your desktop.
  • Save any work you have open, and close all programs.
  • Drag the SFCFix.zip file over the SFCFix.exe executable and release it.
    1p8eDnI.gif
  • SFCFix will launch, let it complete.
  • Once done, a file will appear on your desktop, called SFCFix.txt.
  • Attach that file to your next reply.

Step 2:
DISM /RestoreHealth Scan
  1. Right-click the Start button and select 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 /RestoreHealth
    Wait for this to finish before you continue

    Code: 
    copy %windir%\logs\cbs\cbs.log "%userprofile%\Desktop\cbs.txt"
  4. This will create a file, cbs.txt on your Desktop. Please attach this to your next post.
    Note: if the file is too big to upload to your next post please upload via a service such as Gofile or WeTransfer and just provide the download link.
 

Attachments

Are you good for me to try manually installing 2025-01 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5049993)?
 
Yes, try to install KB5049993 only.
If it fails attach a fresh copy of the file cbs.log to your next reply.
 
Step 1:
WARNING! The following fix is specific to the user's system in this thread only. No one else should follow these instructions, as it could damage your system.
  • Download the attachment SFCFix.zip and save it on your desktop.
  • Save any work you have open, and close all programs.
  • Drag the SFCFix.zip file over the SFCFix.exe executable and release it.
    1p8eDnI.gif
  • SFCFix will launch, let it complete.
  • Once done, a file will appear on your desktop, called SFCFix.txt.
  • Attach that file to your next reply.

Step 2:
DISM /RestoreHealth Scan
  1. Right-click the Start button and select 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 /RestoreHealth
    Wait for this to finish before you continue

    Code: 
    copy %windir%\logs\cbs\cbs.log "%userprofile%\Desktop\cbs.txt"
  4. This will create a file, cbs.txt on your Desktop. Please attach this to your next post.
    Note: if the file is too big to upload to your next post please upload via a service such as Gofile or WeTransfer and just provide the download link.
 

Attachments

The previous fix didn't work as expected.
Please do following only.

Step 1:
WARNING! The following fix is specific to the user's system in this thread only. No one else should follow these instructions, as it could damage your system.
  • Download the attachment SFCFix.zip and save it on your desktop.
  • Save any work you have open, and close all programs.
  • Drag the SFCFix.zip file over the SFCFix.exe executable and release it.
    1p8eDnI.gif
  • SFCFix will launch, let it complete.
  • Once done, a file will appear on your desktop, called SFCFix.txt.
  • Attach that file to your next reply.

Step 2:
DISM /RestoreHealth Scan
  1. Right-click the Start button and select 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 /RestoreHealth
    Wait for this to finish before you continue

    Code: 
    copy %windir%\logs\cbs\cbs.log "%userprofile%\Desktop\cbs.txt"
  4. This will create a file, cbs.txt on your Desktop. Please attach this to your next post.
    Note: if the file is too big to upload to your next post please upload via a service such as Gofile or WeTransfer and just provide the download link.
 

Attachments

Here's the SFCfix.txt for now.

I'll post the CBS as soon as I can.

Edit: CBS log posted.
 

Attachments

Last edited:
Great. Try to install KB5049993 only.
If it fails attach a fresh copy of the file cbs.log to your next reply.
 
Provide the Components Hive
1. Navigate to C:\Windows\System32\Config and locate the COMPONENTS file.
2. 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. Note: If you find that you need to reboot and are unable to because this is a server then try Option#2 below.
3. 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.
4. The file will likely be too large to upload here so please upload to Gofile or WeTransfer and just provide the link here.

Option#2 (only if you are unable to follow the previous instructions)

  • Please download the Freeware RegBak from here: Acelogix Software - Download products
     You will find it at the bottom of the page that the link brings you to.
  • Go ahead and install this program and accept all the defaults. After the last install screen the program should open.
  • Click the New Backup button. Accept the defaults and simply click Start.
  • When it says Finished successfully, click the Close button.
  • This will bring you back to the main screen of the program. You will see one entry in this list with the date that you did it. Right-click on this line-item and select Explore Backup...
  • This will bring you into the folder where the backup was made. You should see a Users folder and a Windows folder along with a couple other files. Double-click on the Windows folder to open it. Then open the System32 folder and then config folder. You should see around 6 files in here, one of which is named COMPONENTS.
  • Copy the COMPONENTS file to your Desktop. If the COMPONENTS file does not exist, please fetch it instead from C:\Windows\System32\config\COMPONENTS.
  • Now right-click on the COMPONENTS file that is on your desktop and select Send to > Compressed (zipped) folder.
  • Then please upload the zip file (COMPONENTS.zip) to your favourite file sharing website (it will be too big to upload here). Examples of services to upload to are Gofile or WeTransfer and then just provide the link in your reply.
  • You can close any open windows you have as well as the RegBak program now.
 
Step 1:
WARNING! The following fix is specific to the user's system in this thread only. No one else should follow these instructions, as it could damage your system.
  • Download the attachment SFCFix.zip and save it on your desktop.
  • Save any work you have open, and close all programs.
  • Drag the SFCFix.zip file over the SFCFix.exe executable and release it.
    1p8eDnI.gif
  • SFCFix will launch, let it complete.
  • Once done, a file will appear on your desktop, called SFCFix.txt.
  • Attach that file to your next reply.

Step 2:
DISM /RestoreHealth Scan
  1. Right-click the Start button and select 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 /RestoreHealth
    Wait for this to finish before you continue

    Code: 
    copy %windir%\logs\cbs\cbs.log "%userprofile%\Desktop\cbs.txt"
  4. This will create a file, cbs.txt on your Desktop. Please attach this to your next post.
    Note: if the file is too big to upload to your next post please upload via a service such as Gofile or WeTransfer and just provide the download link.
 

Attachments

Try to install KB5049993 only.
If it fails attach a fresh copy of the file cbs.log to your next reply.
 
The problems seems to be related to a particular update. Lets remove that.

Step 1:
Remove Update Manually
  1. Right-Click the Start button and click Command Prompt (Admin) on the list.
  2. When command prompt opens, copy and paste the following command into it, then press enter.
    wusa /uninstall /KB:5036899
  3. Let me know if it says it was successful or if there are any errors.

Step 2:
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 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. Download the Farbar Recovery Scan Tool and save it to your Desktop:
    64-bit: Downloading Farbar Recovery Scan Tool
    Note: Your antivirus program may report FRST incorrectly as an infection. If so, disable the real-time protection when downloading and running FRST.
  6. Right-click on the file FRST64.exe and choose Run as administrator.
  7. Copy and paste KB5036899 into the Search box and click the Search Registry button.
  8. 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.
  9. You may close any remaining open windows now.
 
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