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Fix Microsoft Store 504 Timeout: Step-by-Step Troubleshooting - How to Add Folder Exclusions in Windows Defender-Resolve Windows Security App Hanging at Loading Screen

Updated 2026-06-13 16:05:33cloud-software

Fix Microsoft Store 504 Timeout: Step-by-Step Troubleshooting - How to Add Folder Exclusions in Windows Defender-Resolve Windows Security App Hanging at Loading Screen

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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