Don't Sleep Portable

Don't Sleep - Download Latest Version (2.34)

Don't Sleep is a small portable freeware application to prevent system shutdown, Standby, Hibernate, Turn Off and Restart.
Especially when old Programs run on Windows-7 or Windows Vista. Here's more aggressive power-saving features with new rules.
But not only that, it also prevents loggin off the computer, and the deactivation of the monitor or activation of the screen saver.