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Change Windows Update Port to Fix 'Already Allocated' Error - Nginx Permission Denied on Upstream Socket Fix-Certbot Nginx Plugin Install Failures: Common Fixes

2026-06-13 13:08:01browser-issues
Change Windows Update Port to Fix 'Already Allocated' Error - Nginx Permission Denied on Upstream Socket Fix-Certbot Nginx Plugin Install Failures: Common Fixes

Final checklist

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