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How to Install Windows Updates on Ubuntu - SSH Permission Denied (Publickey) on EC2: Setup Fixes-Fix Windows Defender Error 0x80070020 File Locked

2026-06-13 14:16:54windows-fixes
How to Install Windows Updates on Ubuntu - SSH Permission Denied (Publickey) on EC2: Setup Fixes-Fix Windows Defender Error 0x80070020 File Locked

Final checklist

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