Air France Frequence Plus - 500 Bonus Miles for Survey

Log on to check your Frequence Plus mileage balance and click on "Windfall of Miles" icon.
Answer short survey for 500 bonus miles.
Expires March 31, 2002

http://www.flyertalk.com/forum/Forum6/HTML/000277.html

Still the same promotion...

Mmhhh unfortunately this doesn't work for me.
I always get a "échec de l'authentification" when I try to acess it.
Anyone knows why ?