To understand the fix, you must understand the problem. FIFA Manager 14 was released in 2013. Its engine, gfxcore.dll , was designed for the DirectX environments and .NET Frameworks of that era (Windows 7/8).
Enable the selector, choose System (Enhanced) from the lower dropdown menu, and click OK.
Check that GfxCore.dll is actually present in the game's main installation folder .
If none of the above solutions work, try re-registering the GFX Core.dll file:
: High-end modern GPUs do not properly register legacy screen resolution configurations.