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Editorial Team
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Asked: 2026-05-27T08:59:47+00:00

I have a silver application that is giving the following error: Error: Unhandler error

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I have a silver application that is giving the following error:
Error: Unhandler error in Silverlight Application
Code: 2104
Category: InitializeError
Code: 0
Message: 2104 An error has occurred.

I have done some research on the error and most feedback seems to be related to MIME types.

I have added the following mime types to the website in IIS:
.xaml application/xaml+xml
.xap application/x-silverlight-app
.xbap application/x-ms-xbap

But I still received the same error.

Is there any other area that I should investigate or perhaps some tool that I could use to investigate what is happening.

Any assistance would be greately appreciated.

Many thanks,

Joseph

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1 Answer

  1. Editorial Team

    Have you tried using Fiddler? This should give you some insight to the issue and/or the root cause.

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