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Fix Windows Defender Corrupted Cache Error - How to Solve PowerShell Admin Access Denied-Outlook Service Unavailable on Windows 10 Fixes

Updated 2026-06-14 16:45:42developer-tools
Fix Windows Defender Corrupted Cache Error - How to Solve PowerShell Admin Access Denied-Outlook Service Unavailable on Windows 10 Fixes
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.