PES 2021 is more recent than PES 2017, but it shares the same core engine (Fox Engine). The issues are similar: crashes related to Settings.exe and full-screen exclusivity.
: Ensure you have the 64-bit dxcpl.exe as modern PES titles (especially 2021) are 64-bit applications. dxcpl 64 bit pes 2017 2021
The DirectX Control Panel (dxcpl) is an official Microsoft tool for developers to debug DirectX applications. Its key feature is (e.g., 11_0, 11_1, 12_0) and forcing WARP (Windows Advanced Rasterization Platform) or hardware rendering. For PES, users employ DXCPL to: Guide: dxcpl 64-bit for PES 2017–2021
The DXCPL 64-bit patch is designed to revolutionize the graphics capabilities of PES 2017 and PES 2021, two of the most popular football simulation games developed by Konami. By leveraging the power of 64-bit technology and DirectX, this patch aims to bring unprecedented visual fidelity and performance enhancements to the games, ensuring a more immersive gaming experience for players. Click Apply and OK