How to solve the error code 0x800f0923: Windows couldn't install updates because of an error in Windows Server 2012 R2

"There are several steps you can take to try and resolve the error code 0x800f0923 when installing updates on Windows Server 2012 R2:

1. Check for and install any pending updates: Before attempting to install any new updates, make sure that any pending updates have been installed. Go to Settings > Update & Security > Windows Update and click on Check for updates. If there are any pending updates, install them and then try installing the new updates again.
2. Disable antivirus software: Sometimes antivirus software can interfere with the installation of updates. Try disabling your antivirus software temporarily and then attempt to install the updates again.
3. Run the Windows Update troubleshooter: Windows Server 2012 R2 has a built-in troubleshooter that can help identify and fix issues with Windows Update. Go to Settings > Update & Security > Troubleshoot > Windows Update and run the troubleshooter.
4. Reset Windows Update components: If the troubleshooter doesn't fix the issue, you can try resetting the Windows Update components. Open an elevated command prompt and run the following commands:

 
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver

After running these commands, try installing the updates again.

5. Perform a clean boot: If none of the above steps work, you can try performing a clean boot. This will start Windows with a minimal set of drivers and startup programs, which can help identify any software conflicts that may be causing the issue. To perform a clean boot, follow these steps:

a. Press Windows key + R to open the Run dialog box.
b. Type msconfig and press Enter.
c. In the System Configuration window, click on the Services tab.
d. Check the box next to Hide all Microsoft services.
e. Click on Disable all.
f. Click on the Startup tab.
g. Click on Open Task Manager.
h. In the Task Manager window, disable all startup programs.
i. Close Task Manager and click on OK in the System Configuration window.
j. Restart your computer and try installing the updates again.