[SOLVED] Windows Server 2012 R2 fails to install KB5027271 with error 0x80073701

Try to install KB5027271 again and report the result.
 
FRST File Search
  1. Right-click on the file FRST64.exe and choose Run as administrator.
  2. Copy and paste *KB5022899* into the Search box and click the Search Files button.
  3. When the scan is complete, a message will display that 'Search.txt' is saved in the same folder FRST was started from. Notepad will open this file also.
  4. Close Notepad and attach the file 'Search.txt' to your next reply.
 
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:
Restart the computer.
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

Install Update with DISM
  1. Download the update MSU here: https://catalog.s.download.windowsu..._39217c86f4f8f5d160b728e79621011c6a7e2100.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 windows8.1-kb5027271-x64_39217c86f4f8f5d160b728e79621011c6a7e2100.msu -f:* C:\temp

    DISM.exe /Online /Add-Package /PackagePath:C:\temp\windows8.1-kb5027271-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
 
Step 1:
Go to Control Panel - Windows Update - Change settings.
Select Download updates but let me choose whether to install them.
Click OK.

Step 2:
Run Registry Finder again, search for KB5022899 and attach the result.
 
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:
Restart the computer.
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

1. Rerun as per steps #30.
2. Stuck at 33%, Message #30 Steps 7. Refer attach. Should i cancel the task?
 

Attachments

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 Gofile or WeTransfer and just provide the downloadlink here.
 
The permissions to some registry keys are incorrect which causes the cleanup of KB5022899 to fail.
To correct this I need the SOFTWARE hive completely, fix the permissions and remove KB5022899. After that I'll provide the fixed SOFTWARE hive to replace the one you have now.
In the meantime do not install/uninstall any program.

Retrieve Software Hive
1. Navigate to C:\Windows\System32\Config and locate the SOFTWARE file.
2. Please copy this file to your desktop.
Note: If you receive an error that this file is in-use, 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 SOFTWARE.ZIP on your desktop.
4. Upload the zip file (SOFTWARE.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.
5. Note: Send the downloadlink in a private message as the SOFTWARE hive contains sensitive information!

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 SOFTWARE.
  • Copy the SOFTWARE file to your Desktop. If the SOFTWARE file does not exist, please fetch it instead from C:\Windows\System32\config\SOFTWARE.
  • Now right-click on the SOFTWARE file that is on your desktop and select Send to > Compressed (zipped) folder.
  • Then please upload the zip file (SOFTWARE.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.
  • Note: Send the downloadlink in a private message as the SOFTWARE hive contains sensitive information!
  • You can close any open windows you have as well as the RegBak program now.
 
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