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Arduino uno not connect with quickeval software

Hi i use a arduino uno with FT232RL from ftdi chip for convert UART to USB as Linduino use, i upload to my arduino the sketchbook DC590B and i can take the message "hello" from my serial port wich that mean sketchbook have  successfully upoload and work , but the problem is that can not connect with QuickEval software, where is the problem?