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How to Fix 'Port Already in Use' Error on Windows - Fix Windows Activation 502 Bad Gateway via Command Prompt-Fix Windows Defender Permission Denied Errors

2026-06-13 16:34:15
How to Fix 'Port Already in Use' Error on Windows - Fix Windows Activation 502 Bad Gateway via Command Prompt-Fix Windows Defender Permission Denied Errors

Result check

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