click once uploading a new project

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C#

Visual-Studio

ClickOnce

VS2015

Hi,

We have a VSTO project-excel- that is deployed with clickonce technology.
For some reasons- I can't use this project any more ,
So we recreated a new project using the same file as in the old project.

Project name and solution name are the same and the PFX file too.

Now I want to deploy the new project to the same location as the old project-
But what happens is that the old files that the users have-
Don’t recognize the new deployment
And when opening the file –it tries unsuccessfully to get the latest version,
The problem is it doesn’t recognize the new release as an update.
And they get this error:


Microsoft.VisualStudio.Tools.Applications.Deployment.InstallAddInFailedException: The customization cannot be updated because the solution ID in the document does not match the customization. Contact your administrator for further assistance.

Any help will be appreciated.

Thanks.
.