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Fix 'java' Not Recognized in Command Prompt on Windows - How to Unlock a File in Use by Another Program in Windows-Troubleshooting PowerShell Service Unavailable Error in Windows 10

2026-06-16 11:08:39developer-tools
Fix 'java' Not Recognized in Command Prompt on Windows - How to Unlock a File in Use by Another Program in Windows-Troubleshooting PowerShell Service Unavailable Error in Windows 10

Final checklist

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