How do I stop my computer from logging me off everytime I log on?

I used another computer and forgot to log out. I am getting messages that someone is logging in on another computer. How do I stop this?

a friends computer is automatically logging into my account when he goes to YAHOO. How do i stop it. I've asked him to log me out but everytime he restarts his computer and goes to yahoo it automatically logs me in.

to give it a rest, mabe its taking so long because too many people are logging in, and that could be why its taking so long! its like when you have too many things open at the same time, your computer will run slow, multiply that by 50,000 and that makes...

when i turn on my computer it comes on, but when i try to log on it logs me right off. I tried loggin on in safe mode also and it did the same thing. I'm wondering if there is a virus on my computer. i can even try to run a my norton antivirus because...

There was a time I would create a yahoo seal for my yahoo account and that seal would remain,even after logging off and logging back on the next day.Now each time I log off,then log ...show more

I am able to turn on my computer and log in on safe mode. However if I log on in normal mode it automatically shuts off within 30 seconds to two minutes and keeps restarting. My guess is that it's a virus, but I suppose it could also be problems with...

I mean like someone is logging in to Facebook using your computer without your consent. Is there any way to prevent him/her from logging in on your computer? Like editing the registry or something... All I have is the email address.

Just right now, I had a Virus called Sdra64.exe. I searched online for ways to delete it and I did. After deleting the virus, my computer won't stop starting up on safe mode, making me have no choice but to enter the log in screen. I'm guessing I didn...

I left myself logged onto a computer at work and there are saved emails that I want to keep private. I am at home now and logged on and off of yahoo a few times on my home computer. Do I need to go to work to log off of yahoo mail on that computer to...