Alright, monkeystone has answered sepiroth and this is what they said:
Ok, best thing to do at this point is to just close the browser
window and then open a new browser window and go back to the Monkeystone
site. Enter the store and click on the My Account section and login.
https://www.monkeystone.com/store/myaccount.php
You will be able to view and download your past orders. A couple of
things to watch out for when downloading files are:
First, make sure you are NOT using download assist programs like
Go!Zilla. If you are using Go!Zilla you can bypass it by holding "Alt"
while left-clicking on the link. If you are using a different download
assistant product, you will have to check that program's instructions on
how to bypass it.
Second, make sure you are left-clicking on the link, instead of right
clicking and choosing "Save As".
Lucas Davis
MIS Director / Programmer
Monkeystone Games, Inc.
lucas@monkeystone.com
This problem is very rare and it doesn't mean at all that you won't be able to purchase the game.