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Resolving PowerShell Version Mismatch Errors - How to Fix 'Connection Refused' Error in CMD-Resolve Defender 504 Timeout on Windows 10/11

Updated 2026-06-13 19:27:45developer-tools
Resolving PowerShell Version Mismatch Errors - How to Fix 'Connection Refused' Error in CMD-Resolve Defender 504 Timeout on Windows 10/11
Prepare
Execute
Validate
Document

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.

More workflow manuals

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