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Fix Outlook Update Error 'Cannot Start' – Practical Steps - BitLocker CPU Spike: Troubleshooting Guide-Windows Defender Port Conflict: Step-by-Step Fix

Updated 2026-06-14 11:12:58macos-help
Fix Outlook Update Error 'Cannot Start' – Practical Steps - BitLocker CPU Spike: Troubleshooting Guide-Windows Defender Port Conflict: Step-by-Step 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.