Nucleus+
Ethernet, no VPN, Orbi RBK852, internet work fine
network play, with devialet expert pro 440
below 1000 tracks
roon status failure exitcode 43, can’t reinstall Operating System, Roon Server Software is not running
I don’t know what exitcode 43 means but there was another recent case with this, and then it magically started working the next day or so, without user intervention. Unfortunately I can’t find this post now because I think the affected user only posted a screenshot with the “43” message and it was not mentioned in the text. But I remember having watched the thread and saw the closing post with essentially “it works now, I did nothing”. Maybe you are just as lucky 
Update your video drivers.
Thank you, my search mistake, I searched for “errorcode 43” and some other terms with 43, just not for the right one
