Good morning! Thank you for posting in the Final Fantasy XIV Technical Support Forums.

We apologize for any inconvenience experienced when trying to play Final Fantasy XIV. For us to better assist you, please respond with the following information:

What Platform are you using? (Steam/Windows/Mac/PS4 etc.)
Does the issue occur with one character or multiple characters?

Could you provide the exact error message received?
Are you running any additional programs alongside Final Fantasy XIV?
When the crash happens, is the PC over heating at all?
Were any update or changes made to the PC at the time of the crash?
Does this issue occur if the game is run in full screen mode? Does it happen in borderless or windowed mode?

Thank you once again for visiting the Final Fantasy XIV Technical Support Forums!