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Fix SSH Host Key Verification Failed & Permission Denied - Windows Defender Firewall Holding Port Open – Fix-Command Prompt Fix for Activation Error 0xc004c003

2026-06-13 13:57:00
Fix SSH Host Key Verification Failed & Permission Denied - Windows Defender Firewall Holding Port Open – Fix-Command Prompt Fix for Activation Error 0xc004c003

Result check

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