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Fix 'Command Prompt Not Found' Error After Windows Update - Resolve 'Windows Activation Service Not Starting' Error-Ubuntu APT Unlock Guide: Remove dpkg Lock

2026-06-13 20:02:42windows-fixes
Fix 'Command Prompt Not Found' Error After Windows Update - Resolve 'Windows Activation Service Not Starting' Error-Ubuntu APT Unlock Guide: Remove dpkg Lock

Final checklist

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