i was trying to to play my minecraft and all sudden it crashed i tryed to play again and is crashed again and again and again

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here
what i exected was to play some minecraft
What actually happened was...:
Describe what happened here
what actually happen was it crashed on me again and again and again
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...