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Fix Putty Connection Refused Due to Windows Firewall - Enable Windows Defender Module via PowerShell-Windows 10 Security App Version Mismatch Guide

2026-06-13 15:05:35
Fix Putty Connection Refused Due to Windows Firewall - Enable Windows Defender Module via PowerShell-Windows 10 Security App Version Mismatch Guide

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.