can i please get help setting this name up....

my buddy still cant sign on using this computer the name is Mountain , he watches my kids here at day time and i hate him being on my name. any help would be appreciated. thanks RIU

Are you sure Mountain is the name?
I looked in the member list, (top of page) and found no Mountain listed.

yea he can sign in on it, but cant post anything or see any pictures.
Mountain