Kaspersky Small Office Security 7 Intermittent Rebooting

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I renewed Kaspersky Small Office Security 5 and now have Kaspersky Small Office Security 7 for our small network.  On my Windows 7 Ultimate machine, it has been rebooting at night on its own since installing Kaspersky Small Office Security 7.    Is there a way to stop that?

I’m waiting to stabilize the one machine before rolling out Kaspersky Small Office Security 7 to the other machines on our network, so don’t know if it would do this on other machines.

TIA