Crash

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here
I thought minecraft was gonna open
What actually happened was...:
Describe what happened here
it came back up with the launcher and gave me a crash report
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...I press play on the launcher.
3. ...It goes to the crash report