Created 8/31/2011
Last Reviewed 3/21/2016
Versions 6.1

Issue

When attempting to view a Silverlight presentation, the following error appears over the player:

An Error Has Occurred.

A serious error has occurred. To continue viewing this presentation, please reload the player. If you continue to experience this problem, please contact a system administrator. We apologize for the inconvenience.

There is an error in XML document (0, 0).

(System.InvalidOperationException)

Solution

To fix this issue do the following:

  1. Right-click on the error and click on Silverlight.
  2. Click on the Application Storage tab.
  3. Highlight the name of the Mediasite server in the list (e.g http://server.mediasite.com), click the Delete button, and then click Yes to confirm. Alternatively, you could click Delete All here to remove all Silverlight temp files.
  4. Close all open browser windows, then open a new browser and try again.

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