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Fix MySQL Connection Refused Due to Bind Address - Nginx 502 Bad Gateway: A Practical Troubleshooting Guide-Fix Windows Defender Stuck in Login Loop

2026-06-13 13:09:34
Fix MySQL Connection Refused Due to Bind Address - Nginx 502 Bad Gateway: A Practical Troubleshooting Guide-Fix Windows Defender Stuck in Login Loop

Result check

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