Thank you for the update KingEndimon.

Unfortunately, that error message doesn't give us much to go on. It basically says that something stopped working and crashed the game. Because of that, there are a lot of potential causes to the error and a lot of potential solutions.

-Switch to DirectX 9 mode (select ‘Config’ from the launcher)
-Update/reinstall Graphics card drivers
-Disable all programs/overlays running in the background
-Make sure that any anti-virus software they have has the appropriate exceptions
-Install game on C drive (The same drive as the Operating System)
-Set compatibility mode to Windows 7. Right-click on the .exe file and select ‘Properties.’ Select the ‘Compatibility’ tab and select 'Windows 7.'
-Try a clean boot. Simply open the task manager and select the 'Start up' Tab. Disable everything here and restart the PC.

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