python win32com Dispatch, DispatchEx 无法打开(启动)excel pywintypes.com_error: (-2146959355, ‘服务器运行失败‘

最近换了个硬盘，重装电脑后，想用python打开excel，发现完全没反应，弹出以下错误信息：

asctime:        Sun, 02 May 2021 12:48:36 
bug_line:       line:509 
level:          ERROR 
message:        ERROR：(-2146959355, '服务器运行失败', None, None)
Traceback (most recent call last):File "D:\Python\Python38\lib\site-packages\win32com\client\dynamic.py", line 81, in _GetGoodDispatchIDispatch = pythoncom.connect(IDispatch)
pywintypes.com_error: (-2147221021, '操作无法使用', None, None)During handling of the above exception, another exception occurred:Traceback (most recent call last):File "F:/发送房租软件/begin.py", line 503, in open_excelsend_info_dict,fangzi_shuidian=open_excel.get_send_info()File "F:/发送房租软件/begin.py", line 184, in get_send_infomonth_info,shuidian_dict=self.get_all_info()  #获取所有租户所选月份对应的所有具体租金、水电量File "F:/发送房租软件/begin.py", line 177, in get_all_infoself.creat_next_month(file)#提前创建当前月份/下个月的数据File "F:/发送房租软件/begin.py", line 215, in creat_next_monthexcel = Dispatch('excel.application')  # 创建Excel对象File "D:\Python\Python38\lib\site-packages\win32com\client\__init__.py", line 95, in Dispatchdispatch, userName = dynamic._GetGoodDispatchAndUserName(dispatch,userName,clsctx)File "D:\Python\Python38\lib\site-packages\win32com\client\dynamic.py", line 98, in _GetGoodDispatchAndUserNamereturn (_GetGoodDispatch(IDispatch, clsctx), userName)File "D:\Python\Python38\lib\site-packages\win32com\client\dynamic.py", line 83, in _GetGoodDispatchIDispatch = pythoncom.CoCreateInstance(IDispatch, None, clsctx, pythoncom.IID_IDispatch)
pywintypes.com_error: (-2146959355, '服务器运行失败', None, None)

期间下载了wps，以为是这个问题，不断重装excel跟wps，发现还是不行！！

百度了一番，基本是2个说法 

1.权限问题，python跟excel不是同一个权限------------------------------试来试去，都是用管理员授权了，还是不行

2.Excel.Application注册信息不对，所以pywin32无法调用

针对注册的说法，可以参考下这个老哥https://blog.csdn.net/l490134872/article/details/80250395

思路是对了，不过我在注册表查询时，发现有好几个Microsoft Excel Application，程序ID也是对得上的（注意在注册表搜索时，它的匹配方式是全字匹配！）

所以得把它全改了才行！！！

太费劲了，所以我想，要不直接 通过注册表在dcom配置中重建excel应用程序 ！！

参考这篇文章，具体内容我也贴上来了https://jingyan.baidu.com/article/14bd256e79a67dbb6d261299.html

1. 打开记事本，把下列注册表代码复制到记事本中。

2. Windows Registry Editor Version 5.00[HKEY_CLASSES_ROOT\AppID\{00020820-0000-0000-C000-000000000046}]@="Microsoft Office Excel 97-2003 工作表"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}]"IPersistStorageType"=dword:00000002@="Microsoft Office Excel 97-2003 工作表""AppID"="{00020820-0000-0000-C000-000000000046}"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType\2]@="Worksheet"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType\3]@="Microsoft Office Excel 2003"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readable][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readable\Main]@="Biff8,ExcelWorksheet,ExcelML12,Biff12"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readwritable][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readwritable\Main]@="Biff8,ExcelML12,Biff12"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\DefaultFile]@="Biff8"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\0]@="3,1,32,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\1]@="2,1,16,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\2]@="1,1,1,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\3]@="NotesDocInfo,1,1,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\4]@="NoteshNote,-1,1,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DefaultExtension]@=".xls, Excel Workbook (*.xls)"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DefaultIcon]@="C:\\Windows\\Installer\\{90120000-0011-0000-0000-0000000FF1CE}\\xlicons.exe,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DocObject]@="16"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Implemented Categories][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Implemented Categories\{000C0118-0000-0000-C000-000000000046}][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\InprocHandler32]@="ole32.dll"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\InprocServer32]"Assembly"="Microsoft.Office.Interop.Excel, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C""Class"="Microsoft.Office.Interop.Excel.WorksheetClass""RuntimeVersion"="v1.1.4322"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\InprocServer32\12.0.0.0]"Assembly"="Microsoft.Office.Interop.Excel, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C""Class"="Microsoft.Office.Interop.Excel.WorksheetClass""RuntimeVersion"="v1.1.4322"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Insertable]@=""[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\LocalServer]@="C:\\Program Files (x86)\\Microsoft Office\\Office15\\EXCEL.EXE""LocalServer"=hex(7):76,00,55,00,70,00,41,00,56,00,35,00,21,00,21,00,21,00,21,\00,21,00,21,00,21,00,21,00,21,00,4d,00,4b,00,4b,00,53,00,6b,00,45,00,58,00,\43,00,45,00,4c,00,46,00,69,00,6c,00,65,00,73,00,3e,00,74,00,57,00,7b,00,7e,\00,24,00,34,00,51,00,5d,00,63,00,40,00,49,00,49,00,3d,00,6c,00,32,00,78,00,\61,00,54,00,4f,00,35,00,00,00,00,00[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\LocalServer32]@="C:\\Program Files (x86)\\Microsoft Office\\Office15\\EXCEL.EXE""LocalServer32"=hex(7):76,00,55,00,70,00,41,00,56,00,35,00,21,00,21,00,21,00,\21,00,21,00,21,00,21,00,21,00,21,00,4d,00,4b,00,4b,00,53,00,6b,00,45,00,58,\00,43,00,45,00,4c,00,46,00,69,00,6c,00,65,00,73,00,3e,00,74,00,57,00,7b,00,\7e,00,24,00,34,00,51,00,5d,00,63,00,40,00,49,00,49,00,3d,00,6c,00,32,00,78,\00,61,00,54,00,4f,00,35,00,00,00,00,00[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\MiscStatus]@="32"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\PersistentHandler]@="{98de59a0-d175-11cd-a7bd-00006b827d94}"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Printable][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\ProgID]@="Excel.Sheet.8"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Typelib]@="{00020813-0000-0000-C000-000000000046}"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Verb][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Verb\0]@="编辑(&E),0,2"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Verb\1]@="打开(&O),0,2"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Version]@="1.2"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}]"IPersistStorageType"=dword:00000002@="Microsoft Office Excel 97-2003 工作表""AppID"="{00020820-0000-0000-C000-000000000046}"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType\2]@="Worksheet"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType\3]@="Microsoft Office Excel 2003"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readable][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readable\Main]@="Biff8,ExcelWorksheet,ExcelML12,Biff12"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readwritable][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readwritable\Main]@="Biff8,ExcelML12,Biff12"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\DefaultFile]@="Biff8"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\0]@="3,1,32,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\1]@="2,1,16,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\2]@="1,1,1,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\3]@="NotesDocInfo,1,1,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\4]@="NoteshNote,-1,1,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DefaultExtension]@=".xls, Excel Workbook (*.xls)"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DefaultIcon]@="C:\\Windows\\Installer\\{90120000-0011-0000-0000-0000000FF1CE}\\xlicons.exe,1"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\DocObject]@="16"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Implemented Categories][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Implemented Categories\{000C0118-0000-0000-C000-000000000046}][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\InprocHandler32]@="ole32.dll"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\InprocServer32]"Assembly"="Microsoft.Office.Interop.Excel, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C""Class"="Microsoft.Office.Interop.Excel.WorksheetClass""RuntimeVersion"="v1.1.4322"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\InprocServer32\12.0.0.0]"Assembly"="Microsoft.Office.Interop.Excel, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C""Class"="Microsoft.Office.Interop.Excel.WorksheetClass""RuntimeVersion"="v1.1.4322"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Insertable]@=""[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\LocalServer]@="C:\\Program Files (x86)\\Microsoft Office\\Office15\\EXCEL.EXE""LocalServer"=hex(7):76,00,55,00,70,00,41,00,56,00,35,00,21,00,21,00,21,00,21,\00,21,00,21,00,21,00,21,00,21,00,4d,00,4b,00,4b,00,53,00,6b,00,45,00,58,00,\43,00,45,00,4c,00,46,00,69,00,6c,00,65,00,73,00,3e,00,74,00,57,00,7b,00,7e,\00,24,00,34,00,51,00,5d,00,63,00,40,00,49,00,49,00,3d,00,6c,00,32,00,78,00,\61,00,54,00,4f,00,35,00,00,00,00,00[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\LocalServer32]@="C:\\Program Files (x86)\\Microsoft Office\\Office15\\EXCEL.EXE""LocalServer32"=hex(7):76,00,55,00,70,00,41,00,56,00,35,00,21,00,21,00,21,00,\21,00,21,00,21,00,21,00,21,00,21,00,4d,00,4b,00,4b,00,53,00,6b,00,45,00,58,\00,43,00,45,00,4c,00,46,00,69,00,6c,00,65,00,73,00,3e,00,74,00,57,00,7b,00,\7e,00,24,00,34,00,51,00,5d,00,63,00,40,00,49,00,49,00,3d,00,6c,00,32,00,78,\00,61,00,54,00,4f,00,35,00,00,00,00,00[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\MiscStatus]@="32"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\PersistentHandler]@="{98de59a0-d175-11cd-a7bd-00006b827d94}"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Printable][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\ProgID]@="Excel.Sheet.8"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Typelib]@="{00020813-0000-0000-C000-000000000046}"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Verb][HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Verb\0]@="编辑(&E),0,2"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Verb\1]@="打开(&O),0,2"[HKEY_CLASSES_ROOT\CLSID\{00020820-0000-0000-C000-000000000046}\Version]@="1.2"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{00020820-0000-0000-C000-000000000046}]@="Microsoft Office Excel 97-2003 工作表"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}]"IPersistStorageType"=dword:00000002@="Microsoft Office Excel 97-2003 工作表""AppID"="{00020820-0000-0000-C000-000000000046}"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType][HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType\2]@="Worksheet"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\AuxUserType\3]@="Microsoft Office Excel 2003"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion][HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readable][HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readable\Main]@="Biff8,ExcelWorksheet,ExcelML12,Biff12"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readwritable][HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\Conversion\Readwritable\Main]@="Biff8,ExcelML12,Biff12"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats][HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\DefaultFile]@="Biff8"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet][HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\0]@="3,1,32,1"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\1]@="2,1,16,1"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\2]@="1,1,1,1"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\3]@="NotesDocInfo,1,1,1"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\4]@="NoteshNote,-1,1,1"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DefaultExtension]@=".xls, Excel Workbook (*.xls)"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DefaultIcon]@="C:\\Windows\\Installer\\{90120000-0011-0000-0000-0000000FF1CE}\\xlicons.exe,1"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DocObject]@="16"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\Implemented Categories][HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\Implemented Categories\{000C0118-0000-0000-C000-000000000046}][HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\InprocHandler32]@="ole32.dll"[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\InprocServer32]"Assembly"="Microsoft.Office.Interop.Excel, Version=12.0.0.0, Culture=neutral, 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  

    

3. 然后在记事本中，用替换把里面的EXCEL路径替换为你电脑对应的EXCEL所在路径，目前路径为C:\\Program Files (x86)\\Microsoft Office\\Office15\\EXCEL.EXE  如果一样就不用改动，直接另存为Excel应用.reg。注意文件扩展名为reg。

4. 双击执行Excel应用.reg，导入注册表信息。
   

5. 完成导入。重启电脑。
   

6. 再进入dcomcnfg组件 DCOM配置，我安装的是32位的excel，所以实际改变路径的是
   

后面就可以成功启动excel了！！！