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Fix Windows Security Blank Screen in Command Prompt - Windows Update Cache Clear via Command Line-Fix Windows Terminal 502 Bad Gateway Due to Proxy or Network Settings

Updated 2026-06-13 17:15:43developer-tools
Fix Windows Security Blank Screen in Command Prompt - Windows Update Cache Clear via Command Line-Fix Windows Terminal 502 Bad Gateway Due to Proxy or Network Settings
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.