After upgrading to vm212d I see next system messages at category / mod_products views:
Warning: Division by zero in /var/www/html/212d/administrator/components/com_virtuemart/helpers/calculationh.php on line 1124
Warning: Division by zero in /var/www/html/212d/administrator/components/com_virtuemart/helpers/calculationh.php on line 1124
Warning: Division by zero in /var/www/html/212d/administrator/components/com_virtuemart/helpers/calculationh.php on line 1124
. . .
The url looks like
http://www.is-it-working.local/index.php?option=com_virtuemart&view=category&virtuemart_category_id=86840&Itemid=1320&lang=ru
Joomla! 2.5.7
MySQL 5.5.28
codepage utf8_general_ci
PHP 5.3.16