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Windows Update Migration Configuration Best Practices - Fix High CPU from Windows Activation Service-Windows Defender 502 Bad Gateway: Troubleshooting Checklist

2026-06-13 18:22:44
Windows Update Migration Configuration Best Practices - Fix High CPU from Windows Activation Service-Windows Defender 502 Bad Gateway: Troubleshooting Checklist

Result check

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