We are thinking of having an application run in the background to prompt User once their RAM has max'ed out and their computer is paging to the hard drive. Or maybe prompt them once 80% of the RAM is being used so they are aware and can start thinking about a good time to shut down SolidWorks and restart. I saw a post one time that someone had written an application that would pop up a dialog box once a certain amout of RAM useage was reached, but I have been unable to find that post again? Does anyone remember what thread that was in? Thanks, Ken