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I purchased an EV signing certificate but since I can't sign the manifest with it since it isn't an exe. I can sign the exes (Setup and application) using signtool and my EV certificate but when running the ClickOnce, I get a warning saying the manifest isn't signed. However, if I do it that way, once it is installed I don't get any SmartScreen warnings. I was able to sign the manifest with an OV certificate and that signs all of the files in the manifest BUT, then I get SmartScreen warnings. If anyone has any experience signing ClickOnce installers with an EV certificate I would love to hear how they did it. I am using Visual Studio 2022l Thanks

Ryan H
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  • Does this help? https://www.codeproject.com/Tips/1225324/How-to-Sign-ClickOnce-Deployment-if-ClickOnce-Code – Daniel Fisher lennybacon Nov 17 '22 at 21:32
  • @DanielFisherlennybacon Thanks for that article. It looks promising. I will give it a go tomorrow. – Ryan H Nov 17 '22 at 21:43
  • Hi, @RyanH. Any updates on the question? Is your problem solved? If not, you could try to see if the solutions [here](https://stackoverflow.com/a/39539247/17722391) and [here] (https://stackoverflow.com/questions/21770710/how-do-you-apply-digicert-ev-certificate-to-clickonce-application)help you. – Hui Liu-MSFT Nov 23 '22 at 05:49
  • @HuiLiu-MSFT I haven't had a chance to try and apply the document that suggested yet but plan to ASAP. – Ryan H Nov 23 '22 at 12:14
  • Hi, @RyanH. Ok, feel free to come back if you have an update. – Hui Liu-MSFT Nov 28 '22 at 10:13

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