Right-click game > Properties > Local Files > Verify integrity of game files.
The error is generally categorized under "Direct3D Device" failures, which occur when a game loses contact with the graphics card or cannot properly initialize rendering threads. errgfxd3dshader1
Troubleshooting ERR_GFX_D3D_INIT: Your Guide to Fixing the Direct3D Error in The "ERR_GFX_D3D_INIT" error is a common headache for Grand Theft Auto V Right-click game > Properties > Local Files >