Even factory overclocks can sometimes cause D3D crashes in RDR2. How to Fix errgfxd3dshader1 1. Delete Shader Cache Files
Temporary files used to speed up graphics rendering have become bugged. errgfxd3dshader1 work
Graphics cards lacking the necessary instructions for the game's engine. Even factory overclocks can sometimes cause D3D crashes
Delete all files starting with (e.g., sga_vulkan_final_init.vk_pipeline_cache_vk ). errgfxd3dshader1 work