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Fix Windows Defender Real-Time Protection Not Starting - Nginx 502 Bad Gateway: Connection Refused to localhost-How to Fix Error 0x80070005 When Updating Windows

2026-07-28 13:27:17
Fix Windows Defender Real-Time Protection Not Starting - Nginx 502 Bad Gateway: Connection Refused to localhost-How to Fix Error 0x80070005 When Updating Windows

Result check

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