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Fixing Microsoft Teams Invalid Configuration Setup Errors - Fix Windows Security File Locked Error-Windows Defender UI Not Loading After Update

Updated 2026-06-14 06:46:35windows-fixes
Fixing Microsoft Teams Invalid Configuration Setup Errors - Fix Windows Security File Locked Error-Windows Defender UI Not Loading After Update
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.