Error in Silverlight Application Code: 2104 Category: InitializeError Message

If you are trying to display your Silverlight project on a browser and you get the next error:

The error maybe due to MIME types. You will have to add the following MIME types:

.xaml    application/xaml+xml
.xap    application/x-silverlight-app
.xbap    application/x-ms-xbap 

To do so:

• Open your web site on IIS
• Right click on it and select properties

• Select the HTTP Headers
• Click on MIME Types

• Click the New button

• Add all the MIME types
• Click OK
• Click Apply