Signing a Visual Studio 2008 project with Comodo IIS SSL Certificate - step by step please

I have created a Windows Forms Application in Visual Studio 2008 and successfully added it as a ClickOnce deployment to our company website. The company website has an IIS SSL Certificate from Comodo and I want to know how I can now sign the  ClickOnce manifest for the project using the Comodo certificate because I don't want users who install the application to see "Security Warning - Publisher cannot be verified..." message. A step-by-step guide on how to do this would be really great as I can find very little of use on the web. Thank you.
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ParanormasticCryptographic EngineerCommented:
You can't.  An SSL cert that would be used for IIS woud not have the correct key usages specified to be used for code signing - you would need to order a code signing certificate from them.

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