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Windows Defender Version Mismatch: Practical Fix Checklist - Resolve 0xc004c003 After Changing Motherboard-Windows Search Network Connection Refused Fix

2026-06-14 06:47:08developer-tools
Windows Defender Version Mismatch: Practical Fix Checklist - Resolve 0xc004c003 After Changing Motherboard-Windows Search Network Connection Refused Fix

Final checklist

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