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Fix Windows Defender Authentication Failed After Update - Fixing BitLocker Sync Issues Between Devices-Fix Port Already Allocated for Task Scheduler Service

Updated 2026-06-15 13:42:12developer-tools
Fix Windows Defender Authentication Failed After Update - Fixing BitLocker Sync Issues Between Devices-Fix Port Already Allocated for Task Scheduler Service
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.