If your graphics hardware encounters a hurdle processing specific Direct3D 11 draw calls, dropping the baseline rendering API version down to DirectX 10 or 10.1 bypassing problematic features.
Launch DDU, select your device type (), and select your manufacturer ( NVIDIA , AMD , or Intel ). Click Clean and restart . errgfxd3dshader1
For a quick reference, use this checklist before moving to advanced fixes: If your graphics hardware encounters a hurdle processing