I hired a developer to install a working version of Virtuemart on our website. The developer went ahead and installed Virtuemart and signed off on the job with one major glitch. Currently to purchase an item you have to be a registered user, meaning you have to first sign up for an account before purchasing an item. I would like to find someone who can fix this, so anyone coming to our store is able to purchase an item without having to first register an account. I am assuming it will...