Often it can happen that distracted you press with your foot the Standby button the of computer, if it were placed under the desk, or by children.
To prevent any sudden shutdown of the computer we can set a feature almost unknown to most people.
To be able to set up we go
"Control Panel"- "Power Options" - on the left column click on "Specify behavior power buttons", then you will see the screen where you can set the "power button" so that its pressure is not carried out any action, or a suspension, a hibernation or shutdown if desired.