Playon software issues

Just installed Playon Media Server on my W10 desktop. The server and the configuration software for it work as advertised, and I can use the server from my TV via the Dish Hopper just fine.

But the Playon client and IE plugin cannot find the server. I've posted feedback to the W10 team and to the developers of Playon.

Anyone else tried this software with other results?

I installed under 10162 and initiated copying several shows,
when recording a TV show, playon's playlater consistently fails: "Can't play. This item's file format may be unsupported, the file extension may be incorrect, or the file may be corrupted. 0xc00d36c4.'
Works fine under Vista.