Fix Microsoft Store 504 Gateway Timeout & Network Issues - Resolve Get-ChildItem Access Denied in PowerShell-How to Solve Docker Build Permission Denied
Before changing system settings, save your work and note the exact error text so you can compare results after each step.
Extra verification checklist
- Restart the affected app after changing permissions or configuration files.
- Test the same workflow in a clean browser profile or a temporary user account.
- Compare the result on another network if the error may be connection related.