There must be some sort of setting where you can... turn that off. I've never allowed such a thing to happen and, as a result, never experienced an automatic shut down.
You should try that, 'cause that's as lern-edd as da microsofts will ev'r dun be.
--
"Principally I hate and detest the animal called man, although I heartily love John, Peter, Thomas and so forth" - Jonathan Swift
BT with the victory!