You can set the virtual memory (is the same thing on your pc) in your system properties. I found this out on my machine. I had 2 gig of v-memory and got that error message when rendering. A problem with poser I have found is the more virtual memory you have set on your system the more problems you have with poser. I read forum and found the answer. Than I set a lower setting in my computer you can do this by going to your control panal, Performance and Maintenance and then click on system. go to: system properties/advanced/performance settings. There you can set your virtual memory...