programming with mcp700


hello group i am trying to program my 700a with the mcp700 software.i am trying to use a db9 cable to a keyspan usb adapter.the key span driver is properly installed,the mcp700 software is properly installed,but when trying to download from the radio i get a communications error 0.checked the com poet.tried doing this on a windows 7 laptop and windows 10 desktop.get the same error message.checked to make sure all connections were properly connected.on the laptop when checking device manager it says the device is on com5,no com 5 appears in the port settings in mcp 700 on the windows 7 laptop. would anyone have any suggestions please. thank you

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