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Fix 'Task Scheduler Cannot Start Task: Port Already Allocated' - Resolve PowerShell Web Request 404 Issues-How to Resolve Windows Update Error 0x80070005

2026-06-13 19:20:28developer-tools

Fix 'Task Scheduler Cannot Start Task: Port Already Allocated' - Resolve PowerShell Web Request 404 Issues-How to Resolve Windows Update Error 0x80070005

Final checklist

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