It could be a lot of things really, what kind of objects do you have in the scene. (Railclone, forestpack, proxies, instanced stuff?) I use this: http://www.scriptspot.com/3ds-max/scripts/cleaner to clean my scenes.
It could be a lot of things really, what kind of objects do you have in the scene. (Railclone, forestpack, proxies, instanced stuff?) I use this: http://www.scriptspot.com/3ds-max/scripts/cleaner to clean my scenes.