I solved to problems with Qtranslate, CAN THIS BE ADDED TO FUTURE WP E-COMMERCE RELEASES? Should I contact anyone for that?
Affected file: "wp-content/plugins/wp-e-commerce/wpsc-includes/ajax.functions.php"
About line 52: when the "$cart_messages" object is created I added the "__(...)" function to the product name: "__($cart_item->get_title())"
I think I solved a similar thing to file "wpsc-cart_widget.php" but I don't remember the line right now.