Good morning! Thank you for posting in the Final Fantasy XIV Technical Support Forums.
We apologize for the delay in response to this issue.

Please try the following:

- Please disable OneDrive if it is set to active and make sure the game is not launching from within this application.
- Update and reinstall your sound drivers (if applicable).
- Please be sure to disable or remove any overlays (Discord, Steam, NVIDIA etc.) as they may interfere with startup.
- Make sure that the Windows OS is fully updated.

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