Troubleshooting Error Code 0x800705b4 in Windows Server 2003 R2

To address error code 0x800705b4 on Windows Server 2003 R2, follow these essential steps:

1. Reboot the Windows Update service: Navigate to Start > Run, enter 'services.msc', and press Enter. Find the Windows Update service, right-click, and choose 'Restart'. Allow the service to reboot and attempt to update again.
2. Verify your internet connection: Ensure your internet connection is reliable. If using a proxy, check its settings to ensure it's correctly set up.
3. Temporarily deactivate antivirus software: At times, antivirus programs may block Windows Update. Temporarily disabling your antivirus might resolve this conflict.
4. Utilise the Windows Update troubleshooter: Access this by going to Start > Control Panel > Troubleshooting > System and Security > Fix problems with Windows Update. Execute the troubleshooter and follow instructions to spot and rectify issues.
5. Download and install updates manually: Should the above steps fail, manually downloading and installing updates might be necessary. Visit the Microsoft Update Catalog, search for the required updates, download, and install them manually.