Okay, so maybe you don't remember the iconic flying toasters screensaver of the early 90's. But, you probably use a screensaver of some sort today. The ResetAfterScreenSaver option, like the Timeout option, will exit out of any running program and return to the welcome screen. This is especially helpful if you are using older software that can be affected by screensavers (a notorious problem).
Just open the settings.xsd file and look for...
Change the "false" to "true" and restart PBPC
Peanut Butter Software
PS - Don't forget to download the new Beta.