we have just logged in and purchased Minecraft but it crashed when we tried to play i

Put the summary of the bug you're having here .The game crashed before we got started..........we got as far as play and that was it!

What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...