Many games (especially Unreal Engine, Unity, or modded games) use internal error enums like:
(functions.RelatedSearchTerms took place) errgfxd3dshader1 best
How to Fix the "errgfxd3dshader1" Graphic Error: A Complete Guide Many games (especially Unreal Engine, Unity, or modded
The error code (often appearing alongside a "Best" configuration recommendation or simply crashing the game) indicates that the game is failing to compile or load a specific DirectX 12 shader. : Go to your GTA V installation folder and delete d3dcsx_46
After these changes, even demanding titles like The Last of Us or Red Dead Redemption will bypass the errgfxd3dshader1 crash.
The error is most common on cards and some AMD Radeon GPUs, especially after a Windows or driver update.
: Go to your GTA V installation folder and delete d3dcsx_46.dll and d3dcompiler.dll . Afterward, use the Steam Verify Integrity tool to redownload clean versions.