How to solve the error code 0x800f0926: Windows couldn't install updates because of an error in Windows Server 2012 R2

There are several steps you can take to try and solve the error code 0x800f0926:

1. Check your internet connection: Make sure your internet connection is stable and strong enough to download and install updates.
2. Run the Windows Update troubleshooter: Go to Control Panel > Troubleshooting > System and Security > Fix problems with Windows Update. Follow the prompts to run the troubleshooter and see if it can identify and fix the issue.
3. Disable antivirus software: Sometimes antivirus software can interfere with the installation of updates. Try disabling your antivirus software temporarily and see if that resolves the issue.
4. Check for corrupt system files: Open Command Prompt as an administrator and run the command "sfc /scannow" to check for and repair any corrupt system files.
5. Manually download and install the update: If all else fails, you can try manually downloading and installing the update from the Microsoft Update Catalog website. Make sure you download the correct update for your version of Windows Server 2012 R2.&link&