Hello @Arno1, The warnings issue is related to the version of libusb. To avoid these warnings, you can downgrade to version 1.0.23, which works fine. In the meantime, an internal ticket has been created (188089) and is being addressed by our team to ...
Hello @KSOdin2, In order to test it on a Nucleo-H7A3 you can use an example for that board from the STM32CubeH7 Firmware Package, and since you already used STM32CubeMx with that board you will find it under: C:\users\yourname\STM32Cube\repository\...
Hello @kareled, To fill the "Start address" box, you can use a .bin file instead of an .elf file.Additionally, I tested a LED example using DFU with the Nucleo-F412ZG, and it worked fine (the application started and then disconnected from the device)...
Hello @Carson ,You can use the Starter Package on Windows to get started with your board by following this guide (Starter_Package).For full ecosystem development you will need a Linux environment. Amine.