If you are encountering the bthhfenum.sys BSOD error on your PC, you don’t need to worry. In this post, Partition Magic analyzes the possible causes of the error and provides some helpful solutions to help you get rid of the error.

What Causes Bthhfenum.sys BSOD?

Bthhfenum.sys refers to the Bluetooth Hands-Free Audio and Call Control HID Enumerator file, which is an SYS file developed by Windows Software Developer. However, many people report that they encounter bothering blue screen errors related to this bthhfenum.sys on their PC.

To fix bthhfenum.sys BSOD, it’s important to know the reasons behind the error. After investigating extensive user reports and posts, I find that the bthhfenum.sys blue screen error can mainly be triggered by these reasons:

  • Outdated or corrupted device drivers
  • Hardware issues
  • Software conflicts
  • Outdated BIOS
  • Windows update issues
  • Malware or virus infections

How to Fix Bthhfenum.sys BSOD?

If you are unable to access Windows, boot into safe mode before attempting any solutions. You can find instructions on how to boot into safe mode in this post.: How to Start Windows 10 in Safe Mode | 5 Ways.

Before trying other advanced ways to fix the bthhfenum.sys blue screen error, you can try these preliminary checks:

  • Run a virus scan
  • Update Windows and drivers
  • Reinstall malfunctioning drivers
  • Run blue screen troubleshooter
  • Perform a clean boot

# 1. Run CHKDSK

Corrupted hard drives may cause the bthhfenum.sys blue screen error. In this case, you can try running CHKDSK to fix the error. To do that, please follow these simple steps:

  1. Press the Win + S keys to open the Search window.
  2. Type “cmd” in the box, right-click Command Prompt, and select Run as administrator.
  3. Type “chkdsk C: /f /r /x” and press Enter.
  4. Then Windows will start to scan the disk.
  5. If the disk drive is already is in use, you can see an error message “CHKDSK cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts?
  6. Type “Y” and press Enter.
  7. Next, restart your PC, and the scanning starts when the system reboots.

In addition, you can also use the MiniTool Partition Wizard’s Check File System feature to check and fix hard drive errors, and the Surface Test feature to scan bad sectors. Here’s the guide: How to Check Hard Drive and Fix the Error? Solutions Are Here!

MiniTool Partition Wizard FreeClick to Download100%Clean & Safe

# 2. Run SFC and DISM

Corrupted system files can also cause the bthhfenum.sys BSOD error. In this situation, you can try running SFC and DISM by doing the following steps to fix the error:

Step 1. Run Command Prompt as administrator.

Step 2. In the elevated Command Prompt window, type “sfc /scannow” and press Enter.

Step 3. Once the process is done, restart your PC and check if the error is fixed. If not, proceed by initiating a DISM scan. Here’re the DISM commands:

  • DISM.exe /Online /Cleanup-image /Scanhealth
  • DISM.exe /Online /Cleanup-image /Checkhealth
  • DISM.exe /Online /Cleanup-image /Restorehealth

# 3. Rename Bthhfenum.sys

Some people report that renaming the bthhfenum.sys file helps them fix the bthhfenum.sys blue screen error successfully. You can also have a try. Here’s the guide:

  1. Press the Win + E keys to open the File Explorer window.
  2. Type “bthhfenum.sys” in the search box in the top right corner and press Enter.
  3. Right-click the file and select Open file location.
  4. Right-click the file and rename it to “bthhfenum.sys.bak”.
  5. Next, restart your PC and check if the error has been resolved.

# 4. Perform System Restore

If none of the above solutions can help you fix bthhfenum.sys BSOD, you can try performing the system restore to fix the error. If you don’t know how to run the system restore, you can refer to this post: How to Restore Computer to Earlier Date in Win10/8/7 (2 Ways).

If performing system restore still unable to help you solve the bthhfenum.sys blue screen, you can also try updating BIOS or doing a clean install Windows to fix the error.

Wrapping Things Up

These methods in this post will help you fix bthhfenum.sys BSOD. When you are stuck in the error, try them one by one to fix it.

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