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Fix Windows Defender Blocking Legitimate Software - Windows Security Proxy Error Checklist: Diagnose & Fix-Windows Defender Port Conflict in Windows 11

Updated 2026-06-14 08:50:06developer-tools
Fix Windows Defender Blocking Legitimate Software - Windows Security Proxy Error Checklist: Diagnose & Fix-Windows Defender Port Conflict in Windows 11
Prepare
Execute
Validate
Document

Operational follow-up

  • Record the exact option, command, or setting that changed the result.
  • Keep a rollback note if the workflow affects shared files or team settings.

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