User Support & Resources - how come i can't log out?

I use this name when i am at my sisters house on vacation since her comp is all jacked up. now i am home and want to go back to my normal screen name. but it won't let me log out. any help here. thanks

Have you tried clearing your cookies?

Internet Explorer > Tools > Internet Options

ehh......that might be your problem. you're still using what Brains affectionately described as Miscrosoft Automatic Virus Downloader. Try Firefox ;)