Thank you for the update Antares5183.

If this is only happening on your PC and not any other device, it sounds like it is something associated with your PC itself. I'd suggest trying a clean boot. Simply open the task manager and select the 'Start up' Tab. Disable everything here and restart the PC. This will make sure that no background processes are interfering with the game.

We hope we can be of assistance in helping you enjoy the exciting world of Final Fantasy XIV!