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Fix 'File Locked' or 'Permission Denied' During Windows Update - Fixing Windows Defender HTTPS Certificate Errors-Resolve Windows Update Not Found Error

2026-06-13 16:53:30windows-fixes
Fix 'File Locked' or 'Permission Denied' During Windows Update - Fixing Windows Defender HTTPS Certificate Errors-Resolve Windows Update Not Found Error

Final checklist

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