Setting up HQPlayer within Roon

Audio Gear Talk HQ Player
17

I have installed last win10 HQPLAYER version and try to config.
For now I have config only output that the program recognize: my 16/44.1 artlegato.
But

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when I play a song with HQPLAYER as output zone I get error: playback failed because Roon couldn’t connect to HQPLAYER.
Any help?
Tks Giovanni.