The Unknown device Bluetooth error message on Windows 11/10, means Windows is unable to detect the device connected to your computer.

Expert Tip: Note Any Microsoft operating system can encounter a Code 43 Device Manager error, including Windows 10, 8, 7, Vista, XP, and others.

Windows 10 update KB4505903 may be causing issues with Bluetooth audio. Check out this workaround fix until the problem is officially dealt with.

If you want to fix Bluetooth 'Driver error' problem on your Windows 11/10 computer, then here are suggestions that are sure to help you.

Let's look at a few different ways to figure out how to fix the Code 43 errors that prevent you from using hardware devices.

We've got solutions for your Windows 10 problems, whether you're suffering from uncontrollable scrolling, update issues or your cursor moving on its own.