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How to Fix Windows Defender Antivirus Disabled Permanently - Fix Windows Security Permission Denied Access Error-Stop SearchIndexer.exe from Using 100% CPU

Updated 2026-06-13 20:41:12office-tools
How to Fix Windows Defender Antivirus Disabled Permanently - Fix Windows Security Permission Denied Access Error-Stop SearchIndexer.exe from Using 100% CPU
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.