Put the summary of the bug you're having here
What I expected to happen was...:
I thought it would load and I could play the game
What actually happened was...:
I loaded the game and was waiting and out of nowhere the title screen pops out and then it kicked me.
Steps to Reproduce:
1. You push singleplayer.
2. You choose a world and wait for it to load
3. You keep waiting and for a split second it goes to the main menu and crashes
Comments 2
Incomplete without a crash report from ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/finding-minecraft-data-folder]). Please attach it so that we can diagnose your issue.
For technical support please use the Mojang Support Center.
Please do not select a future version as you do not have access to this yet.
Pretty much the same problem except I can play for about 10 min. before crashing.