Overlay applications are also known to cause the ERR_GFX_D3D_INIT error.
Solution 2: Disable any overlay applications If it doesn’t, contact Driver Easy’s support team at further assistance.
(This requires the Pro version– you’ll be prompted to upgrade when you click Update All.
Or click Update All to automatically download and install them all automatically.
If you encounter the ERR_GFX_D3D_INIT error message while playing GTA 5 (or V) on PC, you’re not alone.