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Fix Windows Store Downloads Stuck After Update - Troubleshooting Defender Authentication and Permission Errors-Windows Update Error 0x80070643 Fix

2026-06-13 13:42:21macos-help
Fix Windows Store Downloads Stuck After Update - Troubleshooting Defender Authentication and Permission Errors-Windows Update Error 0x80070643 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.