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Fix 'Connection Refused' Error on localhost in CMD - Guide to Outlook Error 0x8004010f and High CPU-Missing Windows Security Icon on Windows 10/11

2026-06-17 08:55:44
Fix 'Connection Refused' Error on localhost in CMD - Guide to Outlook Error 0x8004010f and High CPU-Missing Windows Security Icon on Windows 10/11

Result check

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

Next references

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