Hi,
this is a really small detail, but.... :D
The categories title is in double if mouse over a category image in the virtuemart administration landing page
(http://www.webtimarket.com/images/blog/repet_nom_tab.png)
Here is how to remove it
http://www.webtimarket.com/en/help-for-virtuemart/138-virtuemart-2-administration-title-doubled-on-mouse-over.html
and, the result....
(http://www.webtimarket.com/images/blog/repet_nom_tab_corr_2.png)
It is also possible to have the tip in bold, of course
Up to now, I have not seen any dysfunction on other pages by modifying the way it is indicated.
Thank you to report if you notice a problem by using those modifications