[cbTurner]

I think I know what's wrong,...I'm running VMWare under Win10, and the default for any new guest is a nat'd subnet that I never use; I always bridge to my router's DHCP server. That's probably it. VMWare's DHCP server is always up, and I don't wanna mess with the guests I run, so I'll have to figure something else out. Fortunately, I noticed that I can use 'Sync Library->Sync to another device', and if I set the Android up as the master with Win10 as the slave, I get a dialog that allows me to enter the Android's IP, and the sync succeeds. That will work fine for my needs, except I noticed another problem after that, but I think I need to put it in a different thread.