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Fix Windows Defender Firewall Network Error in Windows 11 - Resolve RDP 8.0 Version Mismatch Error-Fix Windows Defender Error 0x80070422

Updated 2026-06-13 18:55:43cloud-software
Fix Windows Defender Firewall Network Error in Windows 11 - Resolve RDP 8.0 Version Mismatch Error-Fix Windows Defender Error 0x80070422
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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