I am having a bugger of a time connecting my pc to the c76-uc300eth. I'm hoping someone can help.

This is what I've done, per the instructions:

Board is powered up with jumpers in correct locations, LEDs are green, e-stop is wired, and connected to pc with CAT6 cable.
UCCNC is installed with license file in the UCCNC directory.
Ran the C76 installation utility
Ran the UCxx utility, scanned, selected the UC300eth and saved settings.
Copied those settings (10.10.10.11/255.255.255.0/10.10.10.10) to the IPV4 location in the ethernet properties settings.
Windows defender is off for ethernet.
I've restarted several times. I've also reset the C76 (push button, power off holding button, power on, release button)

When I test the connection with ucxxx utility, it says: "IP range setting or netmask is wrong!"

Did I miss the whitelist setting? The controller doesn't show up in my list of devices.

I'm stumped.

I opened a ticket with cnc4pc and Arturo did respond quickly, but I'm posting here in case he's too busy to help further or away for the weekend.