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>>>I see what you're saying. Makes sense. I spent several hours yesterday Defragging my hard drive and was very careful not to run anything while it was working.
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>>That's why I do it when no one's home, including myself.:-)
>
>It wasn't a problem. I was watching football at the time.

With me, that isn't advisable. With a 16 year old who likes to play chess on the computer, I've got to make sure that no one can disturb it. Of course, I sometimes forget to turn off the screen saver (which is a running program, of course) so when I move the mouse...Well, you get the idea.