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Fix Windows Activation Connection Timeout Error - Fix 'File Locked by Unknown User' in Remote Desktop-Task Scheduler White Window Troubleshooting

2026-06-13 19:08:05
Fix Windows Activation Connection Timeout Error - Fix 'File Locked by Unknown User' in Remote Desktop-Task Scheduler White Window Troubleshooting

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.