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Fix Windows Permission Denied When Installing Software - Resolve Error 0x80070422 in Windows Defender-How to Clear Windows Update Cache to Free Disk Space

2026-06-13 15:21:09office-tools
Fix Windows Permission Denied When Installing Software - Resolve Error 0x80070422 in Windows Defender-How to Clear Windows Update Cache to Free Disk Space

Final checklist

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