Minecraft doesn't work?

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 would launch and work properly, but it didn't even open the actual minecraft window

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

There was a crash report and minecraft did not launch

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. Hit 'login'
3. That's it...