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Fix Windows Defender High CPU Usage on Windows 11 - Troubleshoot Windows Security Startup Failure-Resolve Certbot Renewal Permission Error

Updated 2026-06-13 14:31:43windows-fixes
Fix Windows Defender High CPU Usage on Windows 11 - Troubleshoot Windows Security Startup Failure-Resolve Certbot Renewal Permission 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.