How to resolve error code 0x800f0926: Windows Update failed to install updates in Windows Server 2008

Follow these steps to resolve the error code 0x800f0926 when Windows Update fails to install updates on Windows Server 2008:

1. Verify your internet connection: Ensure your internet connection is stable and functioning correctly. If there are issues with your internet, Windows Update may not be able to download and install updates.
2. Run the Windows Update troubleshooter: Windows Server 2008 includes a troubleshooter that can help diagnose and resolve Windows Update issues. To run it, go to Control Panel > System and Security > Troubleshoot common computer problems > Fix problems with Windows Update.
3. Check your disk space: Ensure there is sufficient free disk space on your server to install updates. If your disk is full, Windows Update might not be able to download and install updates.
4. Disable antivirus software: Occasionally, antivirus software can interfere with Windows Update. Temporarily disable your antivirus software to see if this resolves the issue.
5. Install updates manually: If Windows Update still fails, try downloading and installing updates manually from the Microsoft Update Catalog. This can be a lengthy process, but it might be necessary if Windows Update is not functioning properly.