Definitely something still funky with it under USB3 on Win10 using Intel hardware.
GQRX works for me at full 65MHz (but crashes every time I enable WFM of any type) while SDR Console give me the same argument error as everyone else.
USB2 mode works, lucky me I have a cable that forces that mode on the LimeSDR (don't ask why, I have no idea) but no love on USB3.
As for hardware being the issue, I have Intel USB3 from the X270 chipset on my board, I7-7700k processor and NVidia 1080 SLI with 64GB of ram so system specs are NOT an issue, it should scream right along with the GPU's practically idling with a full 65MHz FFT showing.
Looks like a USB3 driver issue in the SDR Console.
Other than that I love this software and hope it gets sorted for this and transmit as it really is the dogs bollocks.