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Hi All,

Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Word._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{00020970-0000-0000-C000-000000000046}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002

I am getting this exception at:


please give me any suggestion to resolve it..

Thank you..
Richard MacCutchan 19-Apr-13 11:45am    
You should not be casting to _Application as it is not the same type as your application object.


Check this link:[^]

CType(WordApp, Word._Application).Quit()

Good luck.
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Don't know if it will help, but check this post reporting a similar problem:[^]

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