Whenever I push the 'play' button it says that the game crashed and there is a crash report.

Put the summary of the bug you're having here

What I expected to happen was...:
Minecraft should have opened and I should have been able to play the game.

What actually happened was...:
The game crashed before it even started.
Steps to Reproduce:
1. open up the mminefraft.exe file I downloaded from minecraft.net
2. Log ind with my account 'bongojungle'
3. Press 'play'
4. and it crashes