Microsoft .net Framework error msg - Power Query tab missing from Excel 2013

Karen Schaefer
Karen Schaefer used Ask the Experts™
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See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Office.Interop.Excel, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified.
File name: 'Microsoft.Office.Interop.Excel, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c'
   at Microsoft.Mashup.Client.Excel.AddIn.TryCreateApplication(Object appObject, IApplication& application)
   at Microsoft.Mashup.Client.Excel.AddIn.Extensibility.IDTExtensibility2.OnConnection(Object application, ext_ConnectMode connectMode, Object addInInst, Array& custom)

WRN: Assembly binding logging is turned OFF.

Looking for solution to resolve this error message.
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Search for this file Microsoft.Office.Interop.Excel.dll and copy it in GAC. That should solve the problem.

This article should help you copying it.

https://msdn.microsoft.com/en-us/library/dkkx7f79%28v=vs.110%29.aspx
The tool Gacutil.exe comes with .net framework.
Karen SchaeferBI ANALYST

Author

Commented:
thanks for the input, however, this is beyond my skills, do you know of a repair  I can download and execute automatically?  I do not know how to access the .net framework tool.

K
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It's easy actually.

Let us first determine if the assembly is actually present on your machine or not.

Open C:\windows\assembly or %windir%/assembly folder and locate the file entry

Microsoft.Office.Interop.Excel

Let me know if you are able to find it there. If it is not there, I'll write another set of instructions on how you can install it.
If you locate it, please share a screen shot. This will show me the version and other information about the assembly.
Karen SchaeferBI ANALYST

Author

Commented:
here is screen shot - file found  Keep in mind that I am using Windows 10

file found
Ah it is a version difference. You are using version 15.0.0.0 where as the program requires version 14.0.0.0.

The add in was created in older version of Ms Office and hence the issue. Downgrade your office and it should work. Else you can install older version of Ms Office i.e Office 2010.

Here is what you should do:

1. Uninstall office 2013
2. Install office 2010
3. Check if the add in is working.
4. Install Office 2013.

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