thx FELU for the ultra quick reply !
I will try that if i can't get it working now, but I'll tell you all the step that I did before posting.
Closed Zonealarm,
Close AVG
Uninstalled Messenger Plus
Uninstalled Windows live messenger
Reinstalled Windows live messenger
The personal message were updating.
Restarted Zonealarm
The personal message were updating.
Restarted AVG
The personal message were updating.
Reinstalled Messenger Plus
The personal message stopped updating.
But after some investigation (and after posting) I've realized that the problem was ZoneAlarm. Maybe the IM encryption, but im not sure. Anyone had the problem ? Anyone can help ?
Sorry for the post on the forum.
Keep up the good work, I love this software and I use it since the beginning (almost). My first logs date are 2003-02.