This component supports any type of Virtuemart or Joomla registration. We recommend to use silent registration with activated joomla registration and no activation necessary for new accounts. One page checkout component will work also with disabled Joomla registration. We managed to be able to register users even if they are already registered with their own email, therefore they don't need to ask for a password if they don't know it or don't remember it, but just create an order. Shoppers with duplicit email will be automatically unlogged after purchase.
No activation is necessary to be disabled in Joomla configuration if you have registration in Virtuemart enabled - these are the only conflicting settings which will lead to checkot malfunction.
