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Windows Defender Missing from Settings After Update: Fix - Fix Firefox Not Responding by Refreshing Your Profile-Fix a Corrupted Windows Terminal Configuration File

Updated 2026-06-13 20:22:52browser-issues
Windows Defender Missing from Settings After Update: Fix - Fix Firefox Not Responding by Refreshing Your Profile-Fix a Corrupted Windows Terminal Configuration File
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.