Call of Duty: World at War not launching

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After my old computer broke down, I've resorted to using a Windows XP computer. I installed Steam and downloaded Call of Duty: World at War through it. When I launch it, it asks me if I want to play single-player or multi-player. I select single-player, but after that, nothing happens. Could someone explain what's going on?
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Can Call of Duty World at War run on Windows 10?
Call of Duty: World at War will run on PC system with Windows XP and upwards.How do I fix the lag on Call of Duty World at War?
Currently the best way to fix this if there is nothing wrong with your key is to simply end the CodWaW.exe (or CodWaWMP.exe) task, then launch the game again which should prompt it to launch in safe mode.. Once in safe mode you should be able to create a profile.COD World At War not starting/launching: 3 easy fixes! (Windows 10)
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