title: how to solve this virtuemart showing error?
body: <p>I am having problem in virtuemart with joomla 2.5.11. There are showing some notice and in home page virtuemart is not showing anything except these notices. </p>
  
  <blockquote>
    <p>Notice: Undefined property: TableCategories::$virtuemart_id in
    C:\xampp\htdocs\joonla\Joomla_2.5.11-Stable-Full_Package\components\com_virtuemart\views\categories\view.html.php on line 57</p>
    
    <p>Strict Standards: Declaration of VirtueMartModelMedia::store() should
    be compatible with that of VmModel::store() in
    C:\xampp\htdocs\joonla\Joomla_2.5.11-Stable-Full_Package\administrator\components\com_virtuemart\models\media.php on line 435</p>
    
    <p>Strict Standards: Declaration of JParameter::loadSetupFile() should be
    compatible with that of JRegistry::loadSetupFile() in
    C:\xampp\htdocs\joonla\Joomla_2.5.11-Stable-Full_Package\libraries\joomla\html\parameter.php
    on line 512</p>
    
    <p>Strict Standards: Creating default object from empty value in
    C:\xampp\htdocs\joonla\Joomla_2.5.11-Stable-Full_Package\components\com_virtuemart\views\categories\view.html.php on line 82</p>
  </blockquote>