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Fix PowerShell Proxy Error 407: Authentication Required - Windows Security Connection Refused Error: Quick Fixes-Optimize BitLocker for Faster Startup

2026-06-13 20:22:23developer-tools
Fix PowerShell Proxy Error 407: Authentication Required - Windows Security Connection Refused Error: Quick Fixes-Optimize BitLocker for Faster Startup

Final checklist

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