Paypal Standard: “Unable to process payment….”

Paypal Address Overridding in Payal Standard in Magent

PaypalPayment Standard Issue

Unable to process payment. Please contact the merchant as the shipping address provided by the merchant is invalid, and the merchant has requested that your order must be shipped to that address.

Solution:-

( i ) Copy
app/code/core/Mage/Paypal/Model/Api/Standard.php
to
app/code/local/Mage/Paypal/Model/Api/Standard.php

(or)

( ii ) Edit 

app/code/core/Mage/Paypal/Model/Api/Standard.php
In the function named _importAddress(&$request)

line number: 211 in magento 1.7.0.2
set
$request['address_override'] = 1;
to
$request['address_override'] = 0;

It is tested with magento 1.7.0.2