Fixing Error 0x800705b4: Troubleshooting Windows Server 2008 R2 Update Issues

Follow these steps to address the error code 0x800705b4 in Windows Server 2008 R2:

1. Reboot your system: A reboot may resolve the problem. Simply restart your system and attempt the update once more.
2. Verify your internet connection: Ensure your internet connection is stable. For wireless issues, consider using a direct Ethernet connection to your router.
3. Temporarily turn off antivirus software: Antivirus programs can occasionally block the update process. Disable your antivirus briefly and attempt the update again.
4. Utilize the Windows Update troubleshooter: Navigate to Control Panel > Troubleshooting > System and Security > Fix problems with Windows Update to find and fix update issues.
5. Reset Windows Update components: If problems persist, reset the update components. As an administrator, open Command Prompt and execute 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

6. Manually install updates: If automated updates fail, manually download and install them from the Microsoft Update Catalog.