Failed to load URL mojang://java-launcher/index.html with error ERR_FAILED (-2).

Put the summary of the bug you're having here

What I expected to happen was...:

to start minecraft

What actually happened was...:

i got 

Failed to load URL mojang://java-launcher/index.html with error ERR_FAILED (-2).

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. i dont know
3. it just randomly happend