Can only see a tiny section of the Hand2note application

Hi,

I don't know if this is a problem with Hand2note or rather my computer, but when I try to open the Hand2note application I can only see a minute section of the interface, I have attached a photo for reference. Would anyone be able to help me with this? It says that the program is running but I can't enlarge it. I have tried uninstalling and reinstalling.

Best regards,
Chrishers