It looks like you’re trying to search for a fix or information about the error message:
errgfxd3dshader1 disappeared.
Change DirectX Version In-Game: If you can reach the settings menu, try switching between DirectX 10, 10.1, or 11 [5.14]. Alternatively, you can force this by adding -DX10 or -DX11 to the game's launch commands in Steam or the Rockstar Launcher [5.4]. errgfxd3dshader1 work
If you are experiencing crashes or initialization failures related to shaders and D3D (Direct3D), these steps are known to resolve the issue: It looks like you’re trying to search for
Solutions to ERRGFXD3DSHADER1
Disable overlays and background apps
errgfxd3dshader1
DISM /Online /Cleanup-Image /RestoreHealth