title: How to manualy uninstall Magento plugin?
body: <p>help me with magento , I am new in , I instaled plugin 
  <a href="http://www.magentocommerce.com/magento-connect/social-login-and-social-share-by-janrain.html" rel="nofollow">http://www.magentocommerce.com/magento-connect/social-login-and-social-share-by-janrain.html</a></p>
  
  <p>and now site is down </p>
  
  <p>how to manualy uninstall it ?</p>