When chat, minecraft shut down.

Put the summary of the bug you're having here

What I expected to happen was...:
I Said "Hey" in a server to expect it would chat.

What actually happened was...:
But It just shutted down my minecraft without any error report I tried it on all my fav servers but it happens on all of them.

Steps to Reproduce:
1. Use "T" To open the chat.
2. Write something like: "Hey"
3. Press "Enter"
4. And it will only whut down the minecraft game itself not the 1.0.10 Launcher.