NAVIGRAPH simulator connection problem

Hello, please for any support Navigraph Team.
I Have a problem with connection by simlink. In both simulators Xplane12 and MSFS 2020.
My simlink has found nac data IRS but when I go one of these two simulator, and click in navigraph charts app this arrow on the ritgh upside - then i have comunicate “Cannot connect to simulator”. I tried to solve it in diffrent ways. But still cant to fix it.
Below 2 screenshots attachment. Simlink normally find a nav position but navigraph chart cant connect to MSFS 2020.
Thank You and please for help