Stderr: nvidia-container-cli: initialization error: driver error: failed to process request\\\\n\\\"\"": unknown

Accelerated Computing CUDA CUDA on Windows Subsystem for Linux
16

Linux NeilDLaptop 4.19.104-microsoft-standar

You still do not have have the right kernel installed. You need the kernel version 4.19.121+.
I hope you enabled the Optional updates in Windows Updates settings.

You can also try to run: wsl --update command on your Windows host.