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Fix 'Windows Defender File Locked Cannot Access' Error - Fix PowerShell Invoke-WebRequest 404 Not Found Errors-Chrome Update Error 12: Network Fix Guide

2026-06-13 18:05:52macos-help
Fix 'Windows Defender File Locked Cannot Access' Error - Fix PowerShell Invoke-WebRequest 404 Not Found Errors-Chrome Update Error 12: Network Fix Guide

Final checklist

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