Fix efsutil.dll Errors

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

efsutil.dll file EFS Utility Library. 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 efsutil.dll related errors on your device. You can also download efsutil.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7 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 7

File info

General information
Filename efsutil.dll
File extension DLL
Description EFS Utility Library
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 efsutil.dll file. efsutil.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 efsutil.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to efsutil.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 efsutil.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of efsutil.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\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\

If the steps did not solve your efsutil.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 efsutil.dll
System Windows 10
File size 32768 bytes
Date 2017-03-18
File details
MD5 08a70f093ad0b3854df285de3980a7d3
SHA1 8e323ecb0e814fa55d310cceb8427c9d7a42293c
SHA256 709f329a6fa92332e19945b82ec08ac0472d9ad651a7f8ae0a7dc7d59a4bc87e
CRC32 d98028fa
Example file location C:\Windows\System32\
Filename efsutil.dll
System Windows 8.1
File size 27648 bytes
Date 2014-11-21
File details
MD5 6842ad26a80857a2a912acfd7b97d036
SHA1 920e453d066db2ffa79d64c1506667c71328bd15
SHA256 64a4c50554810339a94b3d067d5e6c3728f5c9f9027c1ff6432989267eac84aa
CRC32 def7e502
Example file location C:\Windows\System32\
Filename efsutil.dll
System Windows 8
File size 26624 bytes
Date 2012-07-26
File details
MD5 c3247ef1c14faa90b412e3b40c9c21b1
SHA1 da540833b09d75e89cb11ba70c306dfb86bccb0d
SHA256 757c371c9d69a8449017d9e8013a397aa3fb8daea817b6de77ccd7b229ab95b3
CRC32 f96d1a9a
Example file location 1: C:\Windows\System32\
Filename efsutil.dll
System Windows 7
File size 24576 bytes
Date -0001-11-30
File details
MD5 359c3ac547aa1d24eed35be3ab3759dc
SHA1 bacf85dbdea7b95255845755925b72d0650c7111
SHA256 5b9dfacd8b0704f8ec101d4de36d0e720c1e272f18b07683b80d740ca0b55e6d
CRC32 64d9b07d
Example file location C:\Windows\SysWOW64\
Filename efsutil.dll
System Windows 7
File size 34816 bytes
Date 2009-07-14
File details
MD5 58283053c781ad3a579c95d7765c1fa0
SHA1 163da284b0e09c2fee286ca8455f55d3b931dcf0
SHA256 9f7641c9b5e64797e14a2e307d94e31d6f51a721964bd5ce8ceff6b523a69db8
CRC32 bdb0f624
Example file location C:\Windows\SysWOW64\