title: Can't find the Extention Manager in Joomla 2.5 after upgrading from 1.5
body: <p>I upgraded my site form joomla 1.5.26 to joomla 2.5.</p>
  
  <p>After that i can't find the extension manager in administrator.</p>
  
  <p>But there is no problem found during the upgrade.</p>
  
  <p>Please give me an advise.</p>