Thank for u reply. i will try your " Solution".
BTW, don't upgrade le latest update of QuickTime if u want continue using LW. It wont launch anymore and u 'll have to desintall it for the previous QT 7.0.1. The Resinstall QT 7.0.1 is 20.3MB ! (Thanks to Apple for the time spend online for updating and desinstall them after because Bugs ! )