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Fix PowerShell Authentication Token Expired in Automation Scripts - How to Fix Access Denied in Task Scheduler with Highest Privileges-Task Scheduler Automatic Start Not Working

2026-06-13 20:00:21windows-fixes
Fix PowerShell Authentication Token Expired in Automation Scripts - How to Fix Access Denied in Task Scheduler with Highest Privileges-Task Scheduler Automatic Start Not Working

Final checklist

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