crash report

Put the summary of the bug you're having here
when ever I get the minecraft launcher I press play one the minecraft program comes up it automatic closes it then leaves a crash report
*What I expected to happen was...:*I expected to play minecraft how I always play everday but it decided not too
Describe what you thought should happen here

What actually happened was...:
Describe what happened here
when ever I I open my minecraft program it shuts to a crash report

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