title: python: win32com.client.GetActiveObject("iTunes.Application") failing
body: <p>I've been launching itunes with</p>
  
  <pre><code>try:
      itapp= win32com.client.Dispatch('iTunes.Application')
  except:
      itapp= win32com.client.GetActiveObject('iTunes.Application')
  </code></pre>
  
  <p>Today, whenever I run this, if itunes is already running, it fails with </p>
  
  <pre><code>Traceback (most recent call last):
    File "fix_m4a.py", line 63, in &lt;module&gt;
      change_itunes_path(s,d)
    File "fix_m4a.py", line 45, in change_itunes_path
      itapp = win32com.client.GetActiveObject('iTunes.Application')
    File "C:\program files\python27\lib\site-packages\win32com\client\__init__.py"
  , line 79, in GetActiveObject
      dispatch = pythoncom.GetActiveObject(resultCLSID)
  pywintypes.com_error: (-2147221021, 'Operation unavailable', None, None)
  </code></pre>
  
  <p>Works fine if itunes is not running</p>
  
  <p>The only recent change I've made is going from 2.7.5 to 2.7.6.</p>
  
  <p>Why is this failing?</p>