How to Repair BthHFSrv.dll? Download Now

Sometimes Windows system displays error messages regarding corrupted or missing BthHFSrv.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent BthHFSrv.dll file can therefore effect in failed execution of the started process.

BthHFSrv.dll file Bluetooth Handsfree Service. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of BthHFSrv.dll related errors on your device. You can also download BthHFSrv.dll file compatible with Windows 10, Windows 8.1, Windows 8 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8

File info

General information
Filename BthHFSrv.dll
File extension DLL
Description Bluetooth Handsfree Service
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

There are various types of errors related to BthHFSrv.dll file. BthHFSrv.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to BthHFSrv.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • BthHFSrv.dll is corrupted
  • BthHFSrv.dll cannot be located
  • Runtime Error - BthHFSrv.dll
  • BthHFSrv.dll file error
  • BthHFSrv.dll file cannot be loaded. Module was not found
  • cannot register BthHFSrv.dll file:
  • BthHFSrv.dll file could not be loaded
  • BthHFSrv.dll file doesn't exist



Application could not be started because BthHFSrv.dll file is missing. Reinstall the application to solve the problem.


Problems related to BthHFSrv.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing BthHFSrv.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

BthHFSrv.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with BthHFSrv.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to BthHFSrv.dll file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of BthHFSrv.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to BthHFSrv.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the BthHFSrv.dll file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the BthHFSrv.dll file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the BthHFSrv.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace BthHFSrv.dll file

The last solution is to manually download and replace BthHFSrv.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded BthHFSrv.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of BthHFSrv.dll file example directory paths.

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\

If the steps did not solve your BthHFSrv.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename BthHFSrv.dll
System Windows 10
File size 330240 bytes
Date 2017-03-18
File details
MD5 d8cc9d82d171e11a9e6e62704021cfd3
SHA1 9485fa0b16cd966279a2cf7341b6147447ff08bc
SHA256 2d3d1f4fd06d23cebe7ef3761cbf332e2c6d64f918cb7b4265d943ca4f628110
CRC32 d01bf090
Example file location C:\Windows\System32\
Filename BthHFSrv.dll
System Windows 8.1
File size 250880 bytes
Date 2014-11-21
File details
MD5 8793cb54f88dac3b87d86da31fbe3526
SHA1 50978942273cbcb6f925ff8d0b85d41c7d5c6b43
SHA256 570b06d66b95140b00bd59d5c2d4541fee6eee5e039c4688b7035b1127db36b8
CRC32 2ad9751f
Example file location C:\Windows\System32\
Filename BthHFSrv.dll
System Windows 8
File size 244736 bytes
Date 2012-07-26
File details
MD5 460c17a5109cd1bb6d8f768609119e50
SHA1 745bb3bcd91f8d9ec9ecb873ec7be8763727b0c2
SHA256 32b00612a6d5bde31451c311f0edbb2d052bd8ce2230ff82a2aba0791451bc30
CRC32 b9002b23
Example file location 1: C:\Windows\System32\