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Fix PowerShell Authentication Failed Credentials Error - Error 0x800704ec Windows Defender Troubleshooting-Windows Terminal 502 Bad Gateway Proxy Fix

Updated 2026-06-13 22:03:26developer-tools
Fix PowerShell Authentication Failed Credentials Error - Error 0x800704ec Windows Defender Troubleshooting-Windows Terminal 502 Bad Gateway Proxy Fix
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Operational follow-up

  • Record the exact option, command, or setting that changed the result.
  • Keep a rollback note if the workflow affects shared files or team settings.

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