The product displays the following error message : "Server cannot append header after http headers have been sent". SOLUTION
The reason for this problem is not related to the control but rather with the version of the http compression module used on the site where the control is accessed. In order to address the problem just download the latest version of the http compression module from http://www.blowery.org/code/HttpCompressionModule.html and install it on the respective machine.
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