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Fix PowerShell Startup Error: Missing .NET Framework - Task Scheduler File Locked Error Guide-How to Use SFC to Fix Windows Update Invalid Configuration

2026-06-17 07:43:19browser-issues
Fix PowerShell Startup Error: Missing .NET Framework - Task Scheduler File Locked Error Guide-How to Use SFC to Fix Windows Update Invalid Configuration

Final checklist

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