Redmond let dev code loose in production Windows, leading to the bug Microsoft is having difficulty keeping development code out of the Windows event log after another message that users are ...

Bluetooth adapter has failed in an undetermined manner and will not be used As you can see in the image above an Error is created in the Event Viewer, Event ID 17 for Source BTHUSB.

So, if when a user logs off a Windows computer and encounters Event ID 7031 or 7034 error, then this post is intended to help.