Fix PuTTY Connection Refused: Check SSH Service - Troubleshooting Error 0x80004005 in Windows Search-Windows Defender Service Reset Guide

Updated 2026-06-15 20:56:08windows-fixes
Fix PuTTY Connection Refused: Check SSH Service - Troubleshooting Error 0x80004005 in Windows Search-Windows Defender Service Reset Guide
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.