How to fix unable to find manifest Signing certificate in the certificate store?

Within your Solution Explorer:

1. right click on your project.
2. click on properties.
3. usually on the left-hand side, select the “Signing” tab.
4. check off the Sign the ClickOnce manifests.
5. Make sure you save!

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Likewise, what is ManifestCertificateThumbprint?

ManifestCertificateThumbprint=<The thumbprint of the certificate installed on the build server. > In order to obtain the certificate thumbprint, you can double click the certificate in the Certificate Manager and find the Thumbprint field in the listview on Details tab.