Template.vsto Error Message - how to eliminate?

I recently upgraded from Windows XP to Windows 2007 (at work). With this came a move from Office 2007 to Office 2010. When I open files sent to me by others (via email), I often get the following error message:

Installing Office customization

There was an error during installation.

Name:

From: file:///C:/path/filenameTemplate.vsto

Downloading file:///C:/path/filenameTemplate.vsto did not succeed.

I noticed that the orig. template for this file is in a location I don't have access to; the template is a .dotx. That location is totally different than the local path mentioned in the error message.

Could someone please explain the above error message and is there a way to stop it from occurring? Even though I can just close the error message, it's irritating to have the error pop-up every time I open the file. Plus I hate not understanding what is going on.

Thank you.

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Answer

Jay Freedman

EDIT: It occurred to me that the VSTO add-in probably is not on your computer at all, although it might have been on the old XP installation. However, the people sending these documents to you do have the add-in, including both the .vsto file and the .dotx template. To stop the messages, you'll have to install the add-in on your computer. Ask the documents' sender to identify the add-in for you, and ignore the rest of this post.

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Somewhere on your computer is a VSTO (Visual Studio Tools for Office) add-in. It might have worked correctly with Windows XP and Office 2007, but now it can no longer find the file it needs -- probably because of the difference in the folder structures between the two Windows versions. A similar situation is described in this thread.

There are two possible fixes, both of which depend on determining which add-in is responsible for the message. One is to uninstall the add-in, if it's no longer needed. The other is to locate the author of the add-in and ask for an updated version that will work in your new environment.

One step that might help you to find the right add-in is to use a file search tool that's capable of finding text inside files. Tell it to look in all files with a ".manifest" extension to search for the file name (filenameTemplate.vsto) shown in the message. That manifest (which is a text file) should identify the add-in with which it's associated.

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