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Fix Microsoft Store 502 Bad Gateway & Permission Denied - Resolve Microsoft Teams Permission Denied When Sharing Screen-Troubleshooting DNS Error 0x800704cf

Updated 2026-06-14 15:16:07office-tools
Fix Microsoft Store 502 Bad Gateway & Permission Denied - Resolve Microsoft Teams Permission Denied When Sharing Screen-Troubleshooting DNS Error 0x800704cf
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.

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