No, as I said it does NOT matter which two I use.
It is adding the third that caused the problem. Doesn't matter which is the third.

However, it has now become academic, and Air Manager no longer finds msfs at all since the last msfs update.

Running AM4 with panels on three different screens attached to the PC, they all work just fine, then suddenly they all vanish and AM itself disappears. If I run it with just two screens showing panels, there doesn't seem to be a problem. I don't think it is a specific screen causing the issue: it do...

There doesn't seem to be any way to tell whether or not you have the latest version of the plugin. It appears to be unversioned, and there seem to be no announcements when it is updated.

I've been having some difficulties with AM connecting but not working. I couldn't work out why, until one day I forgot to start msfs first. Despite the fact that it wasn't there, AM said "connected". Then the penny dropped: my network has other servers using port 9000 (Squeezebox media str...

I'm having a similar but problem. I'm pretty sure my Arduino nano is the genuine article, but it is the newer 'nano every' version.

I'm not sure whether that's the reason AM can't flash it.

Should it work?