Whenever you see NetBT 4311 error you see Initialization failed because the driver device could not be created. It does not have any particular explanation. The error only occurs when we play games, browse the internet, or launch new applications. It automatically shuts down or restarts the PC. Since the error occurs when playing heavy games, we can link it with the Graphics driver.
NetBT 4311 error can also be linked to the faulty Network adapter. It even appears when you remove the Network adapter too. Whenever there is an issue with the Network adapter, you see NetBT 4311 error. The error is also associated with Remote Access Service.