when the loading screen is loading it will delete after loading a little bit

when the loading screen is loading it will delete after loading a little bit

What I expected to happen was...:
it to load all the way and not delete 

What actually happened was...:
it loaded a little bit and deleted

Steps to Reproduce:
1. go to minecraft launcher and press play 
2. after you get to the MOJANG loading screen 
3. it will load a little bit and delete