Problem med att starta minecraft

Put the summary of the bug you're having here
Can't open Minecraft

What I expected to happen was...:
I was expecting that Minecraft was going to run as properly...

Describe what you thought should happen here
That Minecraft would start!

What actually happened was...:
when I tried to open minecraft it showed an error message

Describe what happened here
when I tried to open minecraft it showed an error message

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