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Fix Python pip SSL Certificate Verify Failed Error - Fix Firefox Profile Missing Error 0x80520007-Windows Defender Port Conflict in Windows 11

2026-06-14 07:32:01
Fix Python pip SSL Certificate Verify Failed Error - Fix Firefox Profile Missing Error 0x80520007-Windows Defender Port Conflict in Windows 11

Result check

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