Ensure you are using the official WHQL driver rather than the generic Windows serial driver.
When a receiver's software corrupts, standard USB recovery methods often fail because the internal bootloader cannot initialize. This "Fix Exclusive" version of the utility bypasses the corrupted onboard bootloader, communicating directly with the receiver's hardware through a to force-upload a clean, working factory firmware binary ( .bin ) file. Technical Specifications & Requirements gx+downloader+boot+v1+031+fix+exclusive
: Select All to rewrite the entire flash memory block. Ensure you are using the official WHQL driver