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Fix PowerShell DNS Resolution Failed Error - Outlook Permission Denied After Update-Windows Defender Update Fails with 0x80240034

Updated 2026-06-14 09:11:57developer-tools
Fix PowerShell DNS Resolution Failed Error - Outlook Permission Denied After Update-Windows Defender Update Fails with 0x80240034
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.