[python-win32] pywintypes.com_error: (-2147221164

[WangMengNan(桌面事业部)]

Hi，All：
Sorry to bother you.
I have a python2.7 program,my pc's environment is win7,32bit.I want to use win32com,and I have installed
win32com for python2.7. When I worte the code"xls = client.Dispatch("Excel.Application")",an error happened:

Traceback (most recent call last):
  File "D:\JackieCodeProject\python\newvenus\excel_yanxiaoqing.py", line 168, in <module>
    write_to_mysql(r'C:\V4.2.xlsx',"王梦楠",1294)
  File "D:\JackieCodeProject\python\newvenus\excel_yanxiaoqing.py", line 76, in write_to_mysql
    case_list = getlist_from_excel(file_name)
  File "D:\JackieCodeProject\python\newvenus\excel_yanxiaoqing.py", line 27, in getlist_from_excel
    xls = client.Dispatch("Excel.Application")
  File "C:\Python27\lib\site-packages\win32com\client\__init__.py", line 95, in Dispatch
    dispatch, userName = dynamic._GetGoodDispatchAndUserName(dispatch,userName,clsctx)
  File "C:\Python27\lib\site-packages\win32com\client\dynamic.py", line 108, in _GetGoodDispatchAndUserName
    return (_GetGoodDispatch(IDispatch, clsctx), userName)
  File "C:\Python27\lib\site-packages\win32com\client\dynamic.py", line 85, in _GetGoodDispatch
    IDispatch = pythoncom.CoCreateInstance(IDispatch, None, clsctx, pythoncom.IID_IDispatch)
pywintypes.com_error: (-2147221164, '\xc3\xbb\xd3\xd0\xd7\xa2\xb2\xe1\xc0\xe0', None, None)

I need you help.
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