black ops 1 (T5) won't open

[Diaamantus]

I have a problem when I go to open the game it closes or does not open and I get an error message that says like this:

Could not allocate 0.00MB of type "temp" for zone "en_code_pre.gfx" needed an additional 550.00MB

Here I leave a screenshot so you can see better

it is appreciated that you can help me