Everything is explained in this article, sorry we do not have a French translation for this.
http://support.presonus.com/entries/21351334-Why-won-t-my-AudioBox-record-or-play-back-audio-
If you need assistance in your native language, please either go back to the store where you purchased it or contact the PreSonus distributor in your country for localized support.
For France specifically:
Algam
2 rue de Milan
Parc d'Activities des Petites Landres
44470 Thouare Sur Loire, France
Tel: +32 240183700
http://www.algam.net
For anyone else in another country outside the US reading this here is a link to the International Distributor List