minecraft crashes after world selection - crash report says "my bad"

Put the summary of the bug you're having here

What I expected to happen was...:
miencraft 1.8.8 would start when i selected a world to play.

What actually happened was...:
froze up and received a crash report

Steps to Reproduce:
1. click on minecraft executable
2. play menu comes up
3. hit play
4. world selection menu comes up/select world
5. play selected world - cycles and then crashes