If you are having problems with Ajax in the admin menu of JReviews. Try this fix and see if it fixes your issue.

Go to this file

Add this code

if($_REQUEST['xajax']==1) return true; // Fix for SERVER loss of HTTP_X_REQUESTED_WITH key

Before the change:

* Detects jQuery ajax request
function isAjax()
return (isset($_SERVER['HTTP_X_REQUESTED_WITH']) &&

After the change:

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