Thanks for your reply.
Yes, it shows under extensions, with Stop, restart, flip axes, and show device information.
Version is 1.1.1
The only other slight difference is the installation path is ...4.12\RawMouse-master\RawMouse.
Ha! I think I just figured out the issue.
I'm using a single USB receiver spacemouse kit, like this:
https://3dconnexion.com/uk/product/spacemouse-wireless-kit-2/
I unplugged that, went to a different brand of right-side mouse, and suddenly my left side Spacenavigator started working!
Not sure why this was an issue. Some kind of bug.
Would prefer to keep the whole system working together, but one step closer.
And another strange point, when I use the "show device information", it shows:
...
Axes
[0} scale -0.1 ...
All are negative except the last one.
This is the opposite of the config.json file you provided, and I have copied into the install file location and overwritten the original.
So it's not using that file? Weird.
Thanks,
Stephen