it will not let me load minecraft on y computer saying that it has runt of memory

Put the summary of the bug you're having here

What I expected to happen was...:
the main screen of minecraft to come up

What actually happened was...:
it is putting me back to the launcher saying my minecraft has no more memory

Steps to Reproduce:
1. I downloaded Sphax BD Craft
2. tried to open minecraft in 1.8
3. it wound let me open minecraft and started bringing me back to the launcher with a crash report