hi every one:   I just replace in functions/localization.php $page = file('https://www.xe.net/ucc/convert.cgi?Amount=1&From=' . $from . '&To=' . $to);    to $page = file('http://www.xe.com/currencyconverter/convert/?Amount=1&From=' . $from . '&To=' . $to);   and at application_top.php made change as //   define('CURRENCY_SERVER_PRIMARY', 'oanda');                      comment out this line.
   define('CURRENCY_SERVER_PRIMARY', 'xe');                              change to primary.   worked perfect for me. Now the currency updates without a problm.  The exchange rate for U.S. Dollar (USD) was updated successfully via xe.  The exchange rate for Euro (EUR) was updated successfully via xe.  The exchange rate for Pounds Sterling (GBP) was updated successfully via xe.