Thanks for your message. I'm sorry to hear you've had trouble updating the firmware on your Log4.USB. We are looking into a solution for you, and will get back to you as soon as possible.
Holly, Customer Support @ Tektyte
Hi Gordon. Thanks for your message. We have recently updated the Log4 software, please download the latest version here https://www.tektyte.com/log4poe.html. If you're still having trouble please let us know.