I have expanded the zip, but see no obvious exe to launch the GUI.
In the unzipped folder, do you see a subfolder named application.windows or something like that? Go to that folder and you should find an executable program there.
In the “application.windows64” folder I see the following:
When I attempt to run the batch file, I get an error: “‘java’ is not recognized as an internal or external command”
Anyway, I just downloaded the 32-bit version of the firmware updater as well. Looks like it contains an exe file. I will give that a try tonight. A detailed set of instructions for updating firmware (step-by-step) would be fantastic! I don’t want to turn my device into a brick.