Pi-Hole works on Pi, returns DNS_Probe_Finished_Bad_Config on desktop

[deHakkelaar]

Check if you router has got below or similar settings:

Why won't Pi-hole work with DNS rebind protection enabled?

What is DNS rebind protection? If your router has an option called DNS rebind protection enabled, you may run into issues when trying to use Pi-hole as your DNS server. The reasons for this are quite technical, but to summarize what this option does in one sentence: DNS rebind protection does not allow DNS queries to be answered with a local IP address. Why does this interfere with Pi-hole? DNS rebind is meant to be a countermeasure to an attack on your network. So in many cases, it's ac…

I dont understand what you mean by "remote desktop" as this is a Windows thing.
You cant remote desktop into Pi-hole as she is running Linux.

And what @DL6ER posted ^^^