Rename The Sims4 folder in Documents to The Sim4olcd and try to launch the game. If it will not work could you post your computer's DxDiag? To gather a DxDiag on your computer, please follow the steps here: https://help.ea.com/en-us/help/pc/how-to-gather-dxdiag-information/ You can attach the text file to your post in the “Reply” window with the “Choose File” button.