PreventTurnOff is a simplified version of Don't Sleep designed to prevent the shutdown of your machine.

PreventTurnOff is a shutdown timer with a PC Anti Blocking System that has the essential functions of Don't Sleep. The author decided to make this one after hearing that some users didn't like the numerous tasks in Don't Sleep. PreventTurnOff is a simple shutdown timer with the advantages of an anti-blocking system with a few extra features included.

Depending on the setting, PreventTurnOff reports to the operating system that it has vital tasks; if the screen saver is to be activated or the monitor is deactivated, it is informed that it is required. It also reports that it has the highest shutdown priority to prevent other programs from being closed beforehand before PreventTurnOff received this command. Therefore, it may be closed and not intercepted by PreventTurnOff to prevent this.

PreventTurnOff Features:

Ensures that the PC and monitor remain on
Shuts down the PC at a specific time
Quick access to energy options, etc.

Similar:
Sleep, Hibernate or Shut Down Your PC?
How to Add or Remove Sleep, Hibernate or Lock to the Start Menu in Windows 10 & 11.
How to Add Allow Sleep with Remote Opens Power Settings
Windows 10 or 11 Goes to Sleep Early

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