This is a driver issue! please update your graphics card to the latest driver version.
OR
to solve the issue of a missing nvcuda.dll
(on Windows 10)
please go to “C:\Users\yourusername.Boid\GPU\trex”
and replace existing files there with files unzipped from one of packages located here:
make sure to get right version of cuda
you can check your cuda driver version by looking in:
NVidia control panel > Help > System Information and click on the components tab
so in this case you would need to use v10 cuda
https://github.com/trexminer/T-Rex/releases/download/0.19.5/t-rex-0.19.5-win-cuda10.0.zip