A:Answer Looks like that program wants a MORE powerful video card.. check there site out.
NVIDIA
The NVIDIA GPU’s that have the NVIDIA Turing architecture will give you GPU decoding of AVC / H.264 / HEVC media in DaVinci Resolve Studio on Windows. This is a big enough reason alone to purchase Resolve Studio.
https://www.blackmagicdesign.com/products/davinciresolve/
Hardware Configuration Lets you choose various options governing how to use the GPUs attached to your computer, and how to configure Viewers in different pages. This panel also provides an overview, for reference, of all hardware and computer characteristics that are relevant to DaVinci Resolve running smoothly, including a listing of installed GPUs.
a Quadro card with 8 gigs or more would be better.. I took pictures of the manual