Once you open DXCPL, you must tell it which program to modify.
While Dxcpl works perfectly, you must run it every time you boot your PC. A more elegant solution exists: (by Juce & Zehn). If you use a patch like Smoke Patch (PES 2017) , it includes a custom exe that bypasses this check entirely. dxcpl for pes 2017 install
You need the full DirectX SDK. Get just dxcpl.exe from: Once you open DXCPL, you must tell it