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Outlook Update Stuck on Downloading: How to Fix - Fix Windows Defender Update Error 0x80070643-How to Fix 'File Locked by Another Program' During Windows Update

2026-06-13 23:50:28browser-issues
Outlook Update Stuck on Downloading: How to Fix - Fix Windows Defender Update Error 0x80070643-How to Fix 'File Locked by Another Program' During Windows Update

Final checklist

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