IE8 error with windows 7

[mandar1607]

when i am trying to view video i am getting this error Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; MS-RTC LM 8; Tablet PC 2.0)
Timestamp: Sun, 31 Jan 2010 22:59:02 UTC


Message: Unhandled Error in Silverlight Application No such interface supported
at System.Windows.Browser.ScriptObject.Invoke(String name, Object[] args)
at System.Windows.Browser.HtmlWindow.Navigate(Uri navigateToUri, String target, String targetFeatures)
at LearningPaths.Utility.ApplicationHelper.OpenInBrowser(Uri uri)
at LearningPaths.CourseView.PlayButton_Click(Object sender, RoutedEventArgs e)
at System.Windows.Controls.Primitives.ButtonBase.OnClick()
at System.Windows.Controls.Button.OnClick()
at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
at System.Windows.Controls.Control.OnMouseLeftButtonUp(Control ctrl, EventArgs e)
at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, String eventName)


Thanks for help.

 

[linney]

Does your machine have Microsoft's Silverlight installed? If so have you tried uninstalling it and then reinstalling?

Install Silverlight

http://www.microsoft.com/silverlight/get-started/install/default.aspx

Is it just one site or all sites that give you this error?

If it is something that just recently began happening maybe System Restore might fix it?

How to use Reset Internet Explorer Settings (RIES)

http://support.microsoft.com/kb/923737#appliesto

Tips for solving problems with Internet Explorer

http://windowshelp.microsoft.com/Windows/en-US/Help/8038f9ac-9bf9-4809-8d75-fc42818d8af71033.mspx