I finally got Unity to run again. I'm embarrassed to say I tried "everything" except "Run as Administrator" which worked. :poly136: Strange though as both Unity 2.6, 3.0, and 3.1 hadn't required this of me before. Anyway here are my findings concerning exporting from Modo 501 to Unity 3.1 using the Collada DAE, Autodesk…
I did a quick test with a FBX file made in Modo 501 with the latest December 2010 Beta version of UDK. There are some issues: 1. Smoothing groups appear transfer over properly with both FBX options. That's good. Unfortunately with Autodesk FBX the vertex normals appear to be messed up somehow. 2. My object has 2 unique UV…