Word无法读取这个文档。它可能是腐败的

I have an asp.net application which uses a word template that generates a document attachment in an email. Originally I had the template on my local drive for testing, but now that I prepare to place the application on our server for testing I’ve run into a problem. If I place the template in a folder within the application (still running from Visual studio) or on a network drive I receive the error: I have an asp.net application which uses a word