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Fix Windows Defender 504 Gateway Timeout & Permission Denied Errors - Troubleshooting PowerShell Offline Installation Issues-Fix VS Code Terminal Not Opening on Windows 11

Updated 2026-06-13 19:25:51developer-tools

Fix Windows Defender 504 Gateway Timeout & Permission Denied Errors - Troubleshooting PowerShell Offline Installation Issues-Fix VS Code Terminal Not Opening on Windows 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.

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