My launcher does not want to run Minecraft Premium.

Hello! On 28/12/2017 I downloaded my launcher which should enable Minecraft Premium. I downloaded it to another computer and I do not know if it has anything to do with what happened. So after downloading the launcher I wanted to play, but when I turned on the game using the launcher, the launcher turned off and the minecraft did not fire, I tried to fire it a few times but it did not do anything. Even when I turned on the launcher again. I am asking for help because it cost 25 euros.