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Fix Windows Defender Update Error 0x80070643 - How to Fix Postman SSL Error with Custom Certificate-How to Resolve 0x80070002 and High CPU Usage

2026-06-13 16:09:30office-tools
Fix Windows Defender Update Error 0x80070643 - How to Fix Postman SSL Error with Custom Certificate-How to Resolve 0x80070002 and High CPU Usage

Final checklist

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