zhizhu
Home / developer-tools / Fix Grayed Out Windows Terminal Settings - Troubleshooting BitLocker Error 504 on Drive Unlock-Windows Defender Connection Refused: How to Fix

Fix Grayed Out Windows Terminal Settings - Troubleshooting BitLocker Error 504 on Drive Unlock-Windows Defender Connection Refused: How to Fix

2026-06-15 14:05:52developer-tools
Fix Grayed Out Windows Terminal Settings - Troubleshooting BitLocker Error 504 on Drive Unlock-Windows Defender Connection Refused: How to Fix

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.