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Fix PostgreSQL Password Authentication Failed on Localhost - Fix Nginx 502 Bad Gateway for WordPress-Fix Windows Defender Error 0x800106ba: Failed to Start

2026-06-13 14:26:48windows-fixes
Fix PostgreSQL Password Authentication Failed on Localhost - Fix Nginx 502 Bad Gateway for WordPress-Fix Windows Defender Error 0x800106ba: Failed to Start

Final checklist

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