We upgraded with the provided DLL to the latest Cute version, & we are still getting the error, although it takes much more file uploads to occur than before.  The specific error we are getting in .NET, when we are in debug mode, is:

 

'null' is null or not an object

 

Coming from:  CuteWebUI_Uploader_Resource.axd

 

 

Unhandled Error in Silverlight 2 Application[Common_MethodFailed] Arguments: Debugging resource strings are unavailable.  Often the key and arguments provide..."

Silverlight.Uploader<Browse>b_30