On which viewer app are you trying to discover and connect? Android/iOS/Windows?
For further analysis, please send us the diagnostic info on your primary machine.
Just open the spacedesk Driver Console app -> Diagnostics -> click “Save All Information” button.
PS: Saving all information will take a few seconds, then please send us the whole folder which contains all the diagnostic logs collected.
Please right-click the folder -> Send to -> Compressed (zipped) folder, then attach the *.zip file in your next reply.