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Home / macos-help / How to Fix Postman Self-Signed Certificate Error - PowerShell Reset Settings Script: Step-by-Step Guide-Fix Windows Defender DNS Error on Windows 11

How to Fix Postman Self-Signed Certificate Error - PowerShell Reset Settings Script: Step-by-Step Guide-Fix Windows Defender DNS Error on Windows 11

Updated 2026-06-14 05:15:32macos-help
How to Fix Postman Self-Signed Certificate Error - PowerShell Reset Settings Script: Step-by-Step Guide-Fix Windows Defender DNS Error on Windows 11
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.