Fix bcdsrv.dll Errors

Sometimes Windows system displays error messages regarding corrupted or missing bcdsrv.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 bcdsrv.dll file can therefore effect in failed execution of the started process.

bcdsrv.dll file Boot Configuration Data COM Server. 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 bcdsrv.dll related errors on your device. You can also download bcdsrv.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista

File info

General information
Filename bcdsrv.dll
File extension DLL
Description Boot Configuration Data COM Server
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 bcdsrv.dll file. bcdsrv.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 bcdsrv.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to bcdsrv.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 bcdsrv.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.

bcdsrv.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 bcdsrv.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 bcdsrv.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 bcdsrv.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 bcdsrv.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the bcdsrv.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 bcdsrv.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 bcdsrv.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 bcdsrv.dll file

The last solution is to manually download and replace bcdsrv.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 bcdsrv.dll file.

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: C:\Windows\System32\

If the steps did not solve your bcdsrv.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 bcdsrv.dll
System Windows 10
File size 75776 bytes
Date 2017-03-18
File details
MD5 e843c6bc076b3cfe02932d8fd6aa86b7
SHA1 3ef9be8756430ca340fbb59c4d49fb285b30afc6
SHA256 61fc2a137418c2279f4826e2c336d5937af150f754f19be12c6551430be852b5
CRC32 d54bbf9a
Example file location C:\Windows\System32\
Filename bcdsrv.dll
System Windows 8.1
File size 75776 bytes
Date 2014-11-21
File details
MD5 d2250537fc6480e46d109cd4f63127cd
SHA1 a7ce18db9cb8f4039eaec0bb0b28e7dcdc013240
SHA256 2ea68733b8a9899a8ef74ba8b251e4ed293cbe3353cdb3ec3ec67616730bd9c1
CRC32 e2d3729b
Example file location C:\Windows\System32\
Filename bcdsrv.dll
System Windows 8
File size 148992 bytes
Date 2012-07-26
File details
MD5 289636eb96a42f2dc257ece0dca06814
SHA1 2889457783da254b9e83c9a9840c53c8ebf9556c
SHA256 25e4db5c16af88cb0c2b94fd4609f945ec845c78ce3c78f2034690b457accd3e
CRC32 6ef1a67c
Example file location 1: C:\Windows\System32\
Filename bcdsrv.dll
System Windows 7
File size 168448 bytes
Date 2010-11-21
File details
MD5 a6585e85184e3e6b45ae833536caa282
SHA1 ce7543456bc7c43be3c59d98691e9ad58232e1cc
SHA256 2a3cdc06fb0b16af33100295d858287e2426297f4ec293dd1c82b31f2bd7b913
CRC32 c4e00da1
Example file location C:\Windows\System32\
Filename bcdsrv.dll
System Windows Vista
File size 146944 bytes
Date 2008-01-21
File details
MD5 df66527aa361031faa45e3da679f7c1d
SHA1 8544723aeca7f6596af283e65e60ac88840ca0a8
SHA256 83735f11dc8b7678cd1457cd2777bf0acc0984b2cd686c80569766392a4507a3
CRC32 07e5fa4a
Example file location C:\Windows\System32\