Jul 22, · Just tried to run this for the first time nd getting the following message after clicking the play button Fatal DirectX error! Code: 15 Result 0x E_INVALIDARG The game will now exit. Try starting the game with /failsafe if the problem persist. The game stats show DirectX10 is needed. I am running a HP Compaq p with 4GB RAM on Windows 7 32 bit. Oct 29, · Hi, You might be able to get the game working by using the Program Compatibility Wizard (in Help and Support) to identify and, possibly, fix any problems; if using the wizard doesn't work, you could try adjusting the program compatibility options manually (the program compatibility options should be in the Compatibility tab of the program Properties dialog).