I cannot get on ANY servers. NOt even my own server.

Put the summary of the bug you're having here

*What I expected to happen was...:*that I would get on the server. My own included.
Describe what you thought should happen here

*What actually happened was...:*I was sent back to the launcher with a crash report on the launcher screen.
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...I clicked on a server and it logged me in.
3. ...BUt it didnt take me to the server spawn. It brought me to the minecraft launcher.