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Fix Putty Connection Refused Due to Windows Firewall - Fix Windows Activation Failed Due to Dependency Conflict-Windows Defender Firewall Configuration Guide

Updated 2026-06-13 15:14:33windows-fixes
Fix Putty Connection Refused Due to Windows Firewall - Fix Windows Activation Failed Due to Dependency Conflict-Windows Defender Firewall Configuration Guide
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.