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How to Fix Firefox Not Responding on Windows 10 - Fix Microsoft Store File Locked Error-Windows Defender 502 Bad Gateway Troubleshooting

2026-06-13 15:06:11
How to Fix Firefox Not Responding on Windows 10 - Fix Microsoft Store File Locked Error-Windows Defender 502 Bad Gateway Troubleshooting

Result check

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