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Fix Windows Activation Error After Hardware Change - Nginx 502 Bad Gateway: A Practical Troubleshooting Guide-Fix Windows Defender High CPU Usage

Updated 2026-06-14 07:36:57developer-tools
Fix Windows Activation Error After Hardware Change - Nginx 502 Bad Gateway: A Practical Troubleshooting Guide-Fix Windows Defender High CPU Usage
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.