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Fix Windows Security Cache Full Error: Clear & Reset Steps - Windows Defender Service Not Running: Fixes-How to Unlock Greyed Out Windows Search Settings

Updated 2026-06-13 16:05:51developer-tools
Fix Windows Security Cache Full Error: Clear & Reset Steps - Windows Defender Service Not Running: Fixes-How to Unlock Greyed Out Windows Search Settings
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.