Friends Please help me

Hello Friends,

I am new with magento please help me.

I am facing a error on my shopping cart page please help me as soon as possible.

The Error is given below.

Unable to read response, or response is empty

Trace:
#0 D:\wamp_new\www\actione.com\lib\Varien\Http\Client .php(61): Zend_Http_Client->request('GET')
#1 D:\wamp_new\www\actione.com\app\code\local\PayU\Ac count\Model\Config.php(527): Varien_Http_Client->request('GET')
#2 D:\wamp_new\www\actione.com\app\code\local\PayU\Ac count\Model\Config.php(505): PayU_Account_Model_Config->getArrayFromJsonResponse('http://openpayu...')
#3 D:\wamp_new\www\actione.com\app\code\local\PayU\Ac count\Model\Config.php(115): PayU_Account_Model_Config->setGoods()
#4 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Config.php(2695): PayU_Account_Model_Config->__construct(Array)
#5 D:\wamp_new\www\actione.com\app\Mage.php(923): Mage_Core_Model_Config->getModelInstance('payu_account/co...', Array)
#6 D:\wamp_new\www\actione.com\app\code\local\PayU\Ac count\Model\Payment.php(2459): Mage::getModel('payu_account/co...')
#7 D:\wamp_new\www\actione.com\app\code\local\PayU\Ac count\Model\Payment.php(2473): PayU_Account_Model_Payment->getConfig()
#8 D:\wamp_new\www\actione.com\app\code\local\PayU\Ac count\Model\Payment.php(251): PayU_Account_Model_Payment->initializeOpenPayUConfiguration()
#9 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Config.php(2695): PayU_Account_Model_Payment->__construct(Array)
#10 D:\wamp_new\www\actione.com\app\Mage.php(923): Mage_Core_Model_Config->getModelInstance('payu_account/pa...', Array)
#11 D:\wamp_new\www\actione.com\app\code\core\Mage\Pay ment\Helper\Data.php(135): Mage::getModel('payu_account/pa...')
#12 D:\wamp_new\www\actione.com\app\code\core\Mage\Pay ment\Block\Form\Container.php(235): Mage_Payment_Helper_Data->getStoreMethods('1', Object(Mage_Sales_Model_Quote))
#13 D:\wamp_new\www\actione.com\app\code\core\Mage\Pay ment\Block\Form\Container.php(87): Mage_Payment_Block_Form_Container->getMethods()
#14 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Block\Abstract.php(475): Mage_Payment_Block_Form_Container->_prepareLayout()
#15 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Layout.php(911): Mage_Core_Block_Abstract->setLayout(Object(Mage_Core_Model_Layout))
#16 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Layout.php(943): Mage_Core_Model_Layout->createBlock('checkout/onepag...', 'onestepcheckout...')
#17 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Layout.php(477): Mage_Core_Model_Layout->addBlock('checkout/onepag...', 'onestepcheckout...')
#18 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Layout.php(409): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Elem ent), Object(Mage_Core_Model_Layout_Element))
#19 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Layout.php(411): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Elem ent))
#20 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Layout.php(411): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Elem ent))
#21 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\Layout.php(419): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Elem ent))
#22 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Controller\Varien\Action.php(687): Mage_Core_Model_Layout->generateBlocks()
#23 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Controller\Varien\Action.php(537): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#24 D:\wamp_new\www\actione.com\app\code\core\Mage\Che ckout\controllers\CartController.php(313): Mage_Core_Controller_Varien_Action->loadLayout()
#25 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Controller\Varien\Action.php(837): Mage_Checkout_CartController->indexAction()
#26 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Controller\Varien\Router\Standard.php(499): Mage_Core_Controller_Varien_Action->dispatch('index')
#27 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Controller\Varien\Front.php(351): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http) )
#28 D:\wamp_new\www\actione.com\app\code\core\Mage\Cor e\Model\App.php(707): Mage_Core_Controller_Varien_Front->dispatch()
#29 D:\wamp_new\www\actione.com\app\Mage.php(1365): Mage_Core_Model_App->run(Array)
#30 D:\wamp_new\www\actione.com\index.php(87): Mage::run('', 'store')
#31 {main}