ERR_GFX_D3D_INIT (often related to "shader" or "d3d" initialization) typically occurs in Grand Theft Auto V (GTA V)
In the same Compatibility tab, check . Windows’ modern fullscreen handling can conflict with older Direct3D shader calls. errgfxd3dshader1 work
: Use the Windows Disk Cleanup tool and ensure "DirectX Shader Cache" is checked before cleaning [5.9]. errgfxd3dshader1 work
Lower graphics settings / switch renderer errgfxd3dshader1 work
He opened the logs. The scroll bar cascaded like a waterfall of red text. Error: D3D shader model 5.0 failed allocation. Error: Instruction limit exceeded. Error: Unable to map resource.