Thomas, I'm running on Windows 11 and am able use the DAC8760EVM (same platform as the DAC7760EVM) with the SM-USB-DIG. First, I've seen similar messages from errors.edgesuite.net, and I think that this is likely a blocking of the web download from your network. I would check with one of your system administrators on this. Second, when I plug in the SM-USB-DIG, my Device Manager does acknowledge a new device by refreshing the listing of devices, but I don't see any extra USB devices connected. On my computer, this is the listing of USB devices, before and after plugging in the USB connection: Just the same, when you connect the USB, there should be a green LED that appears just below the "Texas Instruments" label on the SM-USB-DIG. When you plug this into the DAC7760EVM board, make sure the 10 pins are aligned correctly to the connector. It is possible to misalign the connections on the board. After that you can check the VDUT voltage with a meter to make sure it appears. Joseph Wu
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