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Microsoft Store App Installation Failed: Practical Checklist - How to Resolve BitLocker Access Denied Issues-How to Fix Windows Security Service Unavailable Error

Updated 2026-06-14 21:56:46developer-tools
Microsoft Store App Installation Failed: Practical Checklist - How to Resolve BitLocker Access Denied Issues-How to Fix Windows Security Service Unavailable Error
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.