Everytime I press play on the launcher, it loads some random code and then says, sorry the game has crashed.

Put the summary of the bug you're having here
I couldn't play because it kept crashing.
What I expected to happen was...:
Describe what you thought should happen here
I expected the game to start loading
What actually happened was...:
Describe what happened here
It said that it crashed
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...Start the game
3. ...login and press play