There is an option in Windows that disables scrolling in some applications if you just hover over them while a different application is active at the moment. This happens frequently when multiple monitors are used.
Can you please check the settings mentioned in this article?
Windows 10 Tip: Scroll Inactive Windows by Hovering Over Them.
In that case, if it is not a solution, let me know if scrolling works if you click inside Shapr3D first.