I dont know why minecraft will not start

Put the summary of the bug you're having here

What I expected to happen was...: I Cant Start Minecraft
Describe what you thought should happen here Crash Report
*What actually happened was...:*I Cant Start Minecraft
Describe what happened here Crash Report

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