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Fix Windows Security Authentication Failed Smart Card Not Working - How to Change Windows Update Port-How to Stop Antimalware Service Executable High CPU

2026-06-14 01:54:49
Fix Windows Security Authentication Failed Smart Card Not Working - How to Change Windows Update Port-How to Stop Antimalware Service Executable High CPU

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.