Not able to login in magento admin panel on localhost

Go To:

Go to app/code/core/Mage/Core/Model/Session/Abstract/Varien.php

Find this line.

// session cookie params
$cookieParams = array(
‘lifetime’ => $cookie->getLifetime(),
‘path’ => $cookie->getPath(),
‘domain’ => $cookie->getConfigDomain(),
‘secure’ => $cookie->isSecure(),
‘httponly’ => $cookie->getHttponly()
);

and comment last 3 line code and remove (,) from getPath() line as below .

// session cookie params
$cookieParams = array(
‘lifetime’ => $cookie->getLifetime(),
‘path’ => $cookie->getPath()
//’domain’ => $cookie->getConfigDomain(),
//’secure’ => $cookie->isSecure(),
//’httponly’ => $cookie->getHttponly()
);