I tried this script on ActivePython 2.7.2.5 and it fails with the following reason: Traceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Python27\lib\site-packages \win32com\clien t\util.py", line 84, in next return _get_good_objec t_(self._iter_. next(), resultCLSID = self.resultCLSI D) pywintypes.com_ error: (-2147217392, 'OLE error 0x80041010', None, None)