Dss0 when I start the zm file it’s load files but don’t show anything or something I send you the screenshot when I go on my pc

Dss0 when I do this step for step don’t work. Can you help me

Dss0 yes Right a dedicated Server

Hello, I would like to create my own lobby on Black ops 2 Zombie where people can also join. I have already tried that but it didn't work. Can someone help me?