MCL Crash

I have been having a problem with my Mcl. I do not understand why it is doing this because earlier today it was working just fine. Now it won't let me get on Minecraft. I will open MCL and click play for the latest release of minecraft. It will act like it is loading but then it will close out and reopen the launcher. It will then diplay the pop-up message: A crash has occured we are sorry for the inconvinence. I have resseting Minecraft and Uninstalling and Reinstalling Java. I don't know if this affects any other players but it is affecting me. Please get back to me with an answer asap. Thank You.