i open the launcher and click play, then the game opens, but freezes then says not responding. I close the game and the launcher opens and says game crash. please help alot of people are having this problem.

We are unable to diagnose your issue due to the lack of proper debug information. Please review the guidelines before reporting issues.
In case of a game crash, please also attach the crash log from [minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/finding-minecraft-data-folder].

-- I am a bot. This action was performed automagically!