I can't answer the question, but I can add one piece of information. The poser.rsr file is a kind of shortcut, I think. Geometry .rsr (resource) files in poser are created to speed things up by using a resource, rather than build a figure from scratch each time you open it, so I assume that the main poser.rsr contains things like interface icons and other info that helps poser open more quickly. Whatever.... The main point I wanted to make is this. If you want poser to run more smoothly, change that file to 'read-only'. When poser crashes, it frequently corrupts that file. If it's read-only, a crash can't affect it. I discovered this about a year ago and it definitely makes a difference. If you're doing a poser tute, you should include some of the little-known information regarding the poser.ini file. I've picked up a few great tricks, like switching off the stupid red vertice lines and making the hierachy box bigger. I now keep a separate file called 'myposer.ini' which is a souped-up version of the default one. Any time poser reverts to the factory settings, I have a spare .ini file and back-up pref files that I can use to get my own settings back. mac