The problem is occurring because the script is looking for a Virtuemart file, administrator/components/com_virtuemart/helpers/config.php but the file does not exist. This file is essential because it contains important information about your Virtuemart configuration.
There are two reasons why this might happen: either there is a problem with the way your Virtuemart store has installed, or your version of Virtuemart is not compatible with the script. The version that you have installed is written for Virtuemart 2, it is not compatible with earlier versions. We do state clearly on the product page that there are two different versions of the component available, and you should check that you buy the right one:
www.spiralscripts.co.uk/Joomla-Component...flypage-ask.tpl.html
Please check which version of Virtuemart and Joomla you are using, if this is the problem we can supply you with a version of the script which is compatible with the version you are using.