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Silverlight Runtime Error 1001

So, I have a deployed Silverlight application that works fine on most client machines. However, I have 1 client machine (Windows Vista / IE8) that throws the following javascript error:

Webpage Error Details

User Agent: Mozilla / 4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident / 4.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30618; OfficeLiveConnector.1.3; OfficeLivePatch.0.0 ) Timestamp: Tue, Jul 21, 2009 2:38:15 PM UTC

Message: Sys.InvalidOperationException: runtime error 1001 in control "Xaml1", method: 1001 An error has occurred. Line: 453 Char: 17 Code: 0 URI: www.DOMAINNAME.com/ScriptResource.axd?d=DYlfEE5ljRCaoM7uReLHHn6ek5uYaOA1UhTw1oJkABzHek2FGpt_ylvF5NNjuH26VVA5njjlq1n2j2q1n

This works fine on other Vista / IE8 machines, and I cannot play them on my dev machine.

I assume this is a general error message and the actual data is not displayed. Based on the following link, there is probably a way to access what is really happening, but I have no idea how to do this.

https://silverlight.net/forums/p/99022/226122.aspx#226122

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You can check if the browser is set to "Compatible" mode. If so, then you can try setting the java script line in the HEADER of your HTML / ASP page:

<head runat="server"> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> </head>
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