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Fix PowerShell 404 Not Found with Invoke-RestMethod - How to Fix Firefox Secure Connection Failed Error-Windows Defender Port Already Allocated Error Fix

Updated 2026-06-14 12:21:00cloud-software
Fix PowerShell 404 Not Found with Invoke-RestMethod - How to Fix Firefox Secure Connection Failed Error-Windows Defender Port Already Allocated Error Fix
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.