Why does my computer shut down automatically?

My computer turns off automatically. And it gives a warning that it will shut down and restart after 60 sec.

Recently, I've been having some troubles with my computer. I'm a multi-tasker and a teacher and like to have many of my essential programs open at the same time while lesson planning. I usually have itunes open, word, a video on, and several pdf files...

Computer turns off immediately while loading desktop or soon after. At first I thought it was a virus but the problem goes away if I unplug the keyboard. If I plug it back in it it shuts down again shortly. The keyboard is in good working order with...

When I play starcraft on my Sony Vaio CW my computer sometimes just shuts off, I don't think it's my CPU usage because I have 4 GB ram and I turn off all programs before ...show more

I always forget to shut my monitor power off after I shut down the computer.

i really don't know what happen to my computer i can't log in. when i press restart button it turns on and shut downs Automatically without i says to shut down please help

In the last seven days, my computer has shut down for no apparent reason for three times. The first time I experienced this was while playing Garry's Mod, not a very graphically-intensive game. I was simply playing normally, and my computer just turned...

I have two end now boxes show up saying as a title Security Services UDI Handler & MCCWSA Window why does it show up what is it for & why does it take so long after ive clicked on the shut down menu for it to shut down. (windows xp) it also takes...