Hi,
Please be sure that the setting "menu position" is right configured to "above the main area" as explained in the HikaShop configuration ; Joomla 3 and Joomla 2.5 does not require the same setting because their backend rendering is not the same.
www.hikashop.com/support/support/documen...html#display_general
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.