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Fix Ubuntu APT Lock File Permission Denied Error - SSH Public Key Permission Denied vs Password Authentication: Fixes-Resolve Windows Security Error 0x800704cf

2026-06-13 15:02:46
Fix Ubuntu APT Lock File Permission Denied Error - SSH Public Key Permission Denied vs Password Authentication: Fixes-Resolve Windows Security Error 0x800704cf

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.