Dispatch("Excel.Application") failed

[lialie]

Hi,
Maybe it 's quite simple, but I can't fix it. Do I make some mistakes in
my env setting? My excel version is 2003.
any suggestion? Thanks.

Traceback (most recent call last):
File "testexcel.py", line 3, in ?
excel = Dispatch("Excel.Application")
File "C:\Python24\Lib\site-packages\win32com\client\__init__.py", line
95, in
Dispatch
dispatch, userName = dynamic._GetGoodDispatchAndUserName(dispatch,userName,c
lsctx)
File "C:\Python24\Lib\site-packages\win32com\client\dynamic.py", line
98, in _
GetGoodDispatchAndUserName
return (_GetGoodDispatch(IDispatch, clsctx), userName)
File "C:\Python24\Lib\site-packages\win32com\client\dynamic.py", line
78, in _
GetGoodDispatch
IDispatch = pythoncom.CoCreateInstance(IDispatch, None, clsctx, pythoncom.II
D_IDispatch)
pywintypes.com_error: (-2147221005,
'\xce\xde\xd0\xa7\xb5\xc4\xc0\xe0\xb1\xf0\xd7\xd6\xb7\xfb\xb4\xae',
None, None)