Hi Brian, I haven't heard of this problem before. Can you please describe the steps that you're doing?

For example, if you go to File / Save As and type in "c:\test.obj" inside the File name: box, does it not create that OBJ file for you?

One thing to note - you must have surface objects that will be turned into polygons when saving as an OBJ. If you only have curves it won't make anything.

- Michael