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c#wpfcertificatewindows-xpclickonce
Igor Kondrasovas
Igor Kondrasovas

Reputation: 1671

Windows XP does not recognize setup.exe digital signature

Some time ago, I have published a WPF application using ClickOnce technology. The manifests are signed properly and when a customer downloads the setup.exe file the editor can be successfully verified:

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However I noticed when the same setup.exe is downloaded from Windows XP operating system (still a requirements for the business) it seems the publisher cannot be verified.

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How can I fix that? I supposed my certification would cover all Windows OSs, right?

Upvotes: 1

Views: 387

Answers (1)

kralfy
kralfy

Reputation: 7

As far as I understand, you see that message in Windows XP simply because that OS does not have any info about your Publisher in its secure publisher storage. If the publisher was added to this storage not a long ago, Windows XP won't get the update that includes your Publisher's certificate info, so the OS is unable to check the validity of your application's digital signature.

Upvotes: 1

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