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Fix Task Scheduler Authentication Failed Error - Fix Python pip SSL Certificate Verify Failed Error-Fix 0x80070643 Windows Defender Module Missing

Updated 2026-06-17 06:53:57developer-tools
Fix Task Scheduler Authentication Failed Error - Fix Python pip SSL Certificate Verify Failed Error-Fix 0x80070643 Windows Defender Module Missing
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.