: Go to Settings > select the game > Verify Integrity . Advanced Solutions Switch DirectX Version :
If you are encountering this error in emulators like PCSX2 or PPSSPP, the shader compiler is timing out. errgfxd3dshader1 best
Alternatively, open Documents\Rockstar Games\GTA V\settings.xml in Notepad and change the value (DX11) to 0 (DX10) or 1 (DX10.1). 4. Delete Specific D3D Files : Go to Settings > select the game > Verify Integrity