In a small saucepan, combine the sugar, cornstarch and juice until smooth. Bring to a boil over medium heat; cook and stir for 1 minute or until thickened. Remove from the heat. Stir in cranberry-orange sauce. Pour into a bowl; cover and refrigerate for 2 hours or until chilled.
Stir cranberry mixture; fold in whipped cream. Spoon into dessert dishes. Refrigerate for 30 minutes or until set.