Best answer by FLOOD
(imo) the wording of the alert/popup could be changed to indicate a "Kaspersky update requires a device restart."
Alerts like: "Your PC needs to be restarted to finish setting up this device", are something we'd expect & have received from Windows..
& "Kaspersky Lab power events provider", to the "uninitiated", implies "power" event of some kind.
I've had 7 years of patches, never had "Your PC needs to be restarted to finish setting up this device", "Kaspersky Lab power events provider" alerts/popup before. And, as I mentioned in my original post, the popup happened on 1 device, not the other, both transitioned to patch(e)...
Even a generic help article, available somewhere in Kaspersky's https://help.kaspersky.com/ repository, would be most helpful....