my problem is a blank text field that affects the layout of the pages in all the different sessions of the catalog (not displayed in the pages and content outside of virtuemart component). This text field is located just above the DIV which is then filled, follows the session, by categories or products, or other ...
[attachment cleanup by admin]
http://forum.virtuemart.net/index.php?topic=98785.0
Problem solved.
thanks, very grateful.