Bthenum 931c7e8a-540f-4686-b798-e8df0a2ad9f7 _hot_ Jun 2026

Leaving an unrecognized entry inside your Device Manager will not harm your PC or compromise cybersecurity. However, cleaning up the entry ensures that your computer efficiently manages its power states and avoids infinite connection retry loops that can drain laptop battery life. If the underlying accessory functions exactly as you intend, you can safely right-click the error entry and choose to permanently hush any Windows driver notifications. Share public link

The string 931c7e8a-540f-4686-b798-e8df0a2ad9f7 is a Globally Unique Identifier (GUID). Specifically, within the Windows driver architecture, it represents the service class GUID for the Bluetooth Hands-Free Audio Gateway.

32 hexadecimal characters (0-9, a-f) broken into five groups separated by hyphens.

Did this error show up right after a or a new hardware purchase?

Often, removing the device from Bluetooth settings and re-pairing it forces Windows to correctly re-enumerate all services. Disable Unnecessary Services: bthenum 931c7e8a-540f-4686-b798-e8df0a2ad9f7

This string is typically found in:

Without a trace ID like 931c7e8a-540f-4686-b798-e8df0a2ad9f7 , debugging distributed failures is nearly impossible. Here's why:

Perfect for cloud-native applications where data is written across multiple servers simultaneously. Typical Use Cases

In simpler terms, this is the "address" that Windows uses to identify and communicate with the telephony functions of a paired Bluetooth device. When you connect your AirPods or your car’s infotainment system, the operating system queries the device. If the device responds with this GUID, Windows knows it has the capability to handle phone calls—managing microphones, call answer/end signals, and voice transmission. Leaving an unrecognized entry inside your Device Manager

: The UUID 931c7e8a-540f-4686-b798-e8df0a2ad9f7 has been observed on various hardware configurations, including Sony audio peripherals (linked to vendor ID 0002054C ) and Microsoft Surface or Asus Zenbook systems.

: A recent operating system upgrade partially unlinked the device's dynamic-link library (.dll) associations. Step-by-Step Fixes for BTHENUM Errors 1. Execute an Automated Hardware Search

A is a 128-bit label used extensively in computing to uniquely identify information without significant central coordination. The string 931c7e8a-540f-4686-b798-e8df0a2ad9f7 follows the standard UUID format: eight hexadecimal digits, then a hyphen, four hex digits, then a hyphen, four hex digits, then a hyphen, four hex digits, then a hyphen, and finally twelve hex digits.

| Section | Value | Meaning (in version 4 UUID) | |---------|------------|-----------------------------| | time_low | 931c7e8a | Random | | time_mid | 540f | Random | | version+time_high | 4686 | The first hex digit "4" indicates version 4 (random) | | variant+clock_seq | b798 | The first hex digit "b" (1011 binary) indicates variant 1 (RFC 4122) | | node | e8df0a2ad9f7 | Random | Did this error show up right after a

The string "931c7e8a-540f-4686-b798-e8df0a2ad9f7" is a , often referred to as a GUID (Globally Unique Identifier) [1, 2]. These are 128-bit labels used to identify information in computer systems without requiring a central registration authority to ensure uniqueness [2]. Structure of the Identifier:

This comprehensive guide explains what this ID means, why it appears as an unknown device, and how to fix it. What Does the Hardware ID Mean?

Check the Device Manager to see if the 931c7e8a entry disappeared.

Perhaps this is part of a test or example. Maybe they're asking how to handle UUIDs in a project. I should explain that UUIDs are used in databases and APIs for unique identifiers. Also, check if they need help generating a UUID or validating the structure of the one provided.