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Fixing PowerShell DNS Errors After a Windows Update - Fixing 'Postman Unable to Verify SSL Certificate' Errors-Windows Defender Authentication Failed Error Fix

2026-06-14 06:33:19
Fixing PowerShell DNS Errors After a Windows Update - Fixing 'Postman Unable to Verify SSL Certificate' Errors-Windows Defender Authentication Failed Error Fix

Result check

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