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How to Fix Windows Security Token Expired Error - How to Resolve Windows Defender Error 0x8007042c-SSH Permission Denied (Publickey) on EC2: Setup Fixes

2026-06-14 03:20:56
How to Fix Windows Security Token Expired Error - How to Resolve Windows Defender Error 0x8007042c-SSH Permission Denied (Publickey) on EC2: Setup Fixes

Result check

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