I tried the 64 bit dlls and the 32 bit ones after they failed. Your portable version works, though, so there's no need to pursue this further.
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
