Using Magento’s Paypal Standard Payment Method, I was having problem checking out my payments. I am having this error:

One reason maybe that Paypal does not allow you (buyer) to ship to country that is different from the country you specify when you open your Paypal account.
The solution is to edit the  address_override variable in this file:
app/code/core/Mage/Paypal/Model/Standard.php on line 158
which says ‘address_override’ => 1, .  Comment it out (using // in front)  save it and try out your paypal standard checkout.
It should be working but the customer data …