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Fix DNS Probe Finished NXDOMAIN on Custom DNS Server - How to Fix Windows Update Stuck with Error 0x80070080-Fix Windows Security App Not Opening After System Reset

Updated 2026-07-28 06:51:00cloud-software
Fix DNS Probe Finished NXDOMAIN on Custom DNS Server - How to Fix Windows Update Stuck with Error 0x80070080-Fix Windows Security App Not Opening After System Reset
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.