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Fix PuTTY Network Error: Connection Refused on Ubuntu - PowerShell Connection Refused Error – Common Fixes-Resolve Authentication Token Expired in Windows Terminal

2026-06-13 17:46:30browser-issues
Fix PuTTY Network Error: Connection Refused on Ubuntu - PowerShell Connection Refused Error – Common Fixes-Resolve Authentication Token Expired in Windows Terminal

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.