verify your game with steam as it seems as you are missing files to do so open steam
go to library
[image: 1597505251393-13d2e970-078e-4382-8ea2-0b441f30207a-image.png] if you downloaded if via dedicated server then you want to make sure the tools are selected
[image: 1597505295868-e0f6f12c-24dd-4b66-8480-ec39f5811324-image.png]
Find the call of duty mw3 dedicated server right click it and go to properties
[image: 1597505333249-ece8a4f0-432b-4837-9e3e-4483c43c6c36-image.png]
go to Local files tab and select verify integrity of tool files
[image: 1597505374683-818f2781-6fe0-491e-980d-11d19d6bbb6b-image.png]
and you should be golden
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