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Fix 'Java JDK Not Recognized' After Update - Fix 'Port Already Allocated' Error After Windows Update-Windows Defender False Positive Fix Guide

2026-06-14 03:40:44windows-fixes
Fix 'Java JDK Not Recognized' After Update - Fix 'Port Already Allocated' Error After Windows Update-Windows Defender False Positive Fix Guide

Final checklist

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