: A corrupt or misbehaving USB driver causes the enumeration routine to access invalid memory.
For developers, usbdevru.dll offers powerful USB port enumeration, reset, and logging capabilities that are otherwise difficult to achieve without writing custom kernel code. For general users, it’s a file you will likely never need—but one you can safely ignore if it came with a genuine Microsoft tool.
For simple port resets or device disables, even can replace some usbdevru functions: