I finally upgrade to 2.3 and everything look ok but a strange problem with jquery.
The problem is with NextGen and with mydashboard and with WP-AJAX Edit comments BUT ONLY with Mac OSX + Firefora 18.104.22.168
On WInxp + FIrefox 22.214.171.124 everything works good.
On mac I can ses some errors in Jquery.
SOmebody else have the same problem or knows how to solve it ?
Thanx in advance