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Fix PowerShell Startup Error: Missing .NET Framework - Windows 10 Defender Connection Refused Error Troubleshooting-Chrome Profile Port Already Allocated: How to Fix

2026-06-14 07:37:56windows-fixes
Fix PowerShell Startup Error: Missing .NET Framework - Windows 10 Defender Connection Refused Error Troubleshooting-Chrome Profile Port Already Allocated: How to Fix

Final checklist

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

More checklist guides

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