Setup with InstallShield LE shows warning about Unknown Publisher

Question

I have developed a Desktop tool using C# Winforms, in Visual Studio 2015. For this tool I have generated a Setup using InstallShield LE.

When a customer downloads this setup file from my website and runs the setup, the customer gets the warning thath the Publisher is unknown:

In the InstallShield General Information section I do have a Publisher specified, so I do not understand why the customer gets this warning.

Does anybody have an idea?

Thanks, Danny

Look this http://stackoverflow.com/questions/6868772/how-to-set-the-publisher-name-for-a-windows-forms-application — Samvel Petrosov, Nov 24 '16 at 10:02

score 2 · Accepted Answer · answered Nov 26 '16 at 14:40

See the note at the bottom of the dialog box:

This file does not have a valid digital signature that verifies its publisher. You should only run software from publishers you trust. How can I decide what software to run?

When your setup is not signed (or is signed with a certificate whose authenticity cannot be verified), you will see prompts similar to the one you show. Fix this by signing it with a certificate that will be trusted in the target environment (such as an Authenticode code signing certificate purchased from a trusted authority).

Setup with InstallShield LE shows warning about Unknown Publisher

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