Hello!

I have a problem. I think it's a problem which has to do with MSN in general (although I'm using MSN plus 4.7), so I'll post here.
My laptop has Vista.

The problem is: mostly every time, when I log into MSN, I have some of my contacts in a new created group called "Other friends"
My normal groups don't contain this group. Sometimes there are about five contact from every group mixed up, sometimes only one or two. sometimes no contacts. That's annoying, because every time I have to reorder them -.-

Do you know, what is the problem?
Thanks!