[ddouglass]

When you look at the applications listed in Microsoft's task manager it querys each application open. If the program does not respond within a very short time frame, then it will list it as Not Responding. The programs being asked may be busy with a task and unable to respond on time. This isn't a cause for alarm.
I am guessing the message is that Microstudio is shutting down and not Windows. However to try to answer this we need a lot more information.
What operating system?
What version of Microstudio?
When you say "on line" are you referring to being on the internet?
What brand/model of burner are you using?