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Windows Security Version Mismatch: Troubleshooting Checklist - Windows Defender Registry Fix for Port Allocation Error-How to Activate Python venv in PowerShell

Updated 2026-06-14 10:04:01developer-tools
Windows Security Version Mismatch: Troubleshooting Checklist - Windows Defender Registry Fix for Port Allocation Error-How to Activate Python venv in PowerShell
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.