Hello,
Sorry to hear of the upgrade issues you are having. It sounds like the upgrade was successful if your unit is showing 3.2.4 as the current firmware version.
For the USB issue, it sounds like you need to toggle the sample rate of the H9000 USB Audio device to resync the clock. Even if both samples match, you will need to toggle the sample rate sometimes (after a system restart, etc) to resync the clock. Please see here: https://cdn.eventideaudio.com/manuals/h9000/2.2.11/content/setup/usbsetup.html#using-the-h9000-with-windows
