As I can see the problem is the DLL's that you are referencing. You are referencing our SL3 DLL's into a SL4 project. I believe the application is not working correctly not only in OOB but in the browser as well. The last two digits of the version are showing the Silverlight version they are build against. You need this version
You can download them from here
. Let me know if you still have problems.
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