I did not take the time Curt did to read it all (specifically the forums); but I do, now, have a much better understanding of what this is and how it works. It is not the only system I have seen doing this, though it may be working better or slightly differently (taking more into memory or working more globally depending on the app in question). My single biggest question though is: How do you manage several applications doing several different things at the same time? If there is an issue, do you throw it all out wholesale, or is there a way to write safe datafiles to disk between turning it on and off? I can easily see myself having my email, web browser, and Office documents all open at the same time. Having this system in place, I would want the protection turned on due to the web browser and email, but with my document open, I might want to save it so if I did get infected, I could shut down, restart, and revert to the last saved point. This would be particularly appealing to situations where my document is including clips from the internet. I wouldn't want to be surfing, find a clip I want to keep, start a document, then I can't keep that document without sending it via email or otherwise saving it beyond the memory partition. I would want to be able to save it without shutting down so I can guarantee it is saved. Is there a way to do that without turning it off and on in the middle of projects? I would hope so, but I didn't find any reference one way or the other outside the forums.