title: Error in Nuget in VS 2010
body: <p>I am getting the below error when i try to open "Add Package Manager" GUI in Nuget. 
  But i am able to add/remove package successfully using Powershell console.
  I am using visual studio 2010 Ultimate RtmRel.</p>
  
  <pre><code>---------------------------
  Microsoft Visual Studio
  ---------------------------
  Unspecified error (Exception from HRESULT: 0x80004005 (E_FAIL))
  ---------------------------
  OK   
  ---------------------------
  </code></pre>
  
  <p>Any idea why the GUI is not working ?</p>
  
  <p>Thanks in advance!</p>