: Conflicting fastboot drivers or outdated USB stack. Fix :
Without a verified driver, Windows will block installation (on 64-bit systems with Secure Boot) or show a warning. The fact that you see "verified" means the driver is signed, but it does guarantee functionality—you may still need to configure the device as an Android ADB/Fastboot interface. usb vid0bb4 amppid0c01 verified
This is actually a good sign. It means: