i cant play on 1.8.4 to 1.8.6

Put the summary of the bug you're having here
i can't play minecraft because versions 1.8.4 to 1.8.6 won't allow me to past the launcher.
What I expected to happen was...: to go to the mojang loading screen
Describe what you thought should happen here

What actually happened was...:
Describe what happened here
it loads has the launcher disappear then reappear with a error messege.
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...