I had the same thing happen to me with the app dropping me back to desktop whenever I tried to do anything like switch rooms, save etc.. I popped up the task manager and started shuttng down any and all tasks running on my comp. I shut down everything I possibly could, and now I've been using Poser 6 for a few hours without crashing. It HATES something I was running obviously. Tomorrow if I get bored I'll try shutting down each task 1 by one and testing until I narrow it down to what program is causing the problems.