: You flashed firmware meant for a different model (e.g., using RDV4 firmware on a Proxmark3 Easy Compilation Error
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Windows may have assigned a generic USB driver (WinUSB) to your device, while the flash tool expects a libusb or vendor driver (e.g., zadig). Use Zadig or USBDeview to reassign the correct driver (WinUSB, libusbK, or libusb-32). target.... device fw mismatch