Lee's advise is very sound, I recently went from 98 to XP, and poser became so stable it scares me (A gig of ram helps too ;) There are three things that will mangle a render (By draining system resources) if your system isn't up to speed. -Bump maps (massive drain on resources when rendering. The higher rez these are, the more they drain) -Transparency (another massibe draw on resources, this is compunded by lights and shadow maps.) -Lights/Shadow Map Size If you have a problem rendering, save your scene, tinker with the above three (get rid of bump maps you don't need, turn off trans you don't need, remove a few lights or turn off the cast shadows option for them) Then try to render again. -Trav