live messenger

When someone adds me to there list you know how the thing pops up asking you if you want to add this person to your list.When i do this and the people that just added me it says that there not on my contact list but when i look for it there addy is in my contact list but it stills says this person is not on ur contact list click here to add him or her now. Do you know whats wrong

[389 byte] By [curly_cam] at [2007-12-25]