> What takes two minutes for initialisation?
It is information from your log:
Main: initialization completed in 131810 ms, but still waiting for the screens measurement...
Some issues with screens detection.
Error in your log is:
unable to init GPU-based renderer - code 262138
unable to init GPU-based renderer - code 262139
It is OpenCL error. for example
code 262139 is error of clCreateContext()
CL_OUT_OF_RESOURCES: if there is a failure to allocate resources required by the OpenCL implementation on the device
OpenCL is a part of GPU drivers. So, firstly you need to reinstall NVIDIA drivers. With clean install options.
> Nvidia, Avisynth, SVP?
NVIDIA. 99,9%