This zadig driver is strange animal... some story here from my experiences.
I had a HP Elitebook 8540w with USB2 and USB3 ports. At the begining, when I received Taranis it has been working properly with both type of USB ports.
Then I got a new Laptop: Lenovo W530 with both type of USB ports. Instantly I noticed that USB3 doesn't work with Taranis (even that zadig were succesfully installed through that port). USB2 did work as expected, for sometime. I updated firmware at least once and downloaded old fw to hard-drive (SSD) also.
Yesterday I tried to upgrade latest OpenTX firmware. DFU-util announced 'cannot found device' -error. I tried all the ports, un-installing and re-installing the drivers and companion, multiple times. It did not help. Cannot get newer computer to update the Taranis anymore. I fired up my old laptop, connect Taranis to it and upgraded the firmware without any issues.
I installed latest companion (1.52) to both computers before upgrade session. I also did try different versions of Zadig drivers to newer computer without success. It always identify STM32 BOOTLOADER and that is shown on Windows 7 x64 (both laptop has same OS) Device Manager, but dfu-util does not recognize radio. No matter what I try. I did have all preferences and etc. set-up in Companion.
Glad I still have that old computer.
What goes up, must come down. -Isaac Newton
OpenTX - expanding possibilities