i upgraded my ram from 6 to 16 and it still not working

it stops responding and says something like shadow something in red and then it doesnt work it just stayed like that with a black screen i tried it on the 15 inch macbook pro with retina display 2.8 ghz intel core i7 with 16 gb of ram and it runs well and then it froze on that black screen and i tried it too on the macbook pro mid 2010 13 non retina with 16 gb of ram and it froze on the same black screen

JEMQ1728936 about Call of Duty®: Black Ops, v1.19