LIAVIN - 2010-10-18

Hi there,
I'm using a CR0301. As u mentioned I have installed the "IFM Downloader", I have a serial ,female, 9pin, 1:1 cable with a gender changer 1:1 .
I config my controller in the downloader but each time I want to Identify or download the operating system I have "communication error" . I set the port each time . I have used the pcan interface too, stil the same error!
Would you please please help me.