title: Implement recent security patches immediately in Magento
body: <p>While I am trying to update security patches I got following error message.</p>
  
  <pre><code>Checking if patch can be applied/reverted successfully...
  ERROR: Patch can't be applied/reverted successfully.
  
  patching file app/code/core/Mage/Admin/Model/Observer.php
  Hunk #1 FAILED at 37.
  Hunk #2 FAILED at 44.
  Hunk #3 FAILED at 55.
  3 out of 3 hunks FAILED -- saving rejects to file app/code/core/Mage/Admin/Model/Observer.php.rej
  patching file app/code/core/Mage/Core/Controller/Request/Http.php
  Hunk #1 succeeded at 39 with fuzz 1 (offset 1 line).
  Hunk #2 succeeded at 537 (offset 1 line).
  patching file lib/Varien/Data/Collection/Db.php
  Hunk #1 FAILED at 442.
  1 out of 1 hunk FAILED -- saving rejects to file lib/Varien/Data/Collection/Db.php.rej
  </code></pre>
  
  <p>How can I update patches in this regard ??</p>