I was able to fix this working by installing the 32 bit version instead which is odd considering that I have a 64 bit machine.

Hi Ayman! Thank you for your post. I did try the add view option, but there is no change and the screen still appears as shown in the screenshot. This is my first time installing the program, and it has yet to display any visual output. I am running a 64 bit version of Windows 10 as a virtual machin...

I just installed OpenSim 3.3 and opened the included 3DGaitModel2392 however, nothing appears in the viewing window. See attached screenshot.

Thanks!