MSN6.1 cannot receive and send webcam

Hello!

I have a friend which he have windows XP with all patches=20
and SP, and he cannot receive my invitation to have=20
webcam (I want to show me to him). The same probleme=20
apply in the other way. =20

In other words:

I click on icon "webcam" to my friend, he accept, and=20
nothing happens during.. ~1 minute, and after, I have=20
this message:

Vous avez arr=EAt=E9 l'utilisation de la webcam avec=20
NICKOFMYFRIEND

(for english readers: you have stopped the webcam with=20
NICKOFMYFRIEND).

But, if I try with others friends, it's work very well. =20
Also, before, it's worked... not now. He have a webcam,=20
and he send his request to me, I accept, and I have the=20
same effect. But, if he go in tuning video/audio, he can=20
see him, and it's work very well...

What the problem? (He have reinstalled msn6.1 (uninstall,=20
and after,n installing, and alway have this problem)

THanks,

J.