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How to Repair exfat.sys? Download Now

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

exfat.sys file Microsoft Extended FAT File System. 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 exfat.sys related errors on your device. You can also download exfat.sys 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 exfat.sys
File extension SYS
Description Microsoft Extended FAT File System
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Driver
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
exfat.sys

There are various types of errors related to exfat.sys file. exfat.sys 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 exfat.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

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

exfat.sys

Error

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

OK

Problems related to exfat.sys 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 exfat.sys 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.

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

The last solution is to manually download and replace exfat.sys 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 exfat.sys file.

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

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

If the steps did not solve your exfat.sys 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 exfat.sys
System Windows 10
File size 282624 bytes
Date 2017-03-18
File details
MD5 6582d118dbaec2acb9d6fc0500d7eb07
SHA1 6baae35ebf2e9d183042c6246552f04ce91aa260
SHA256 fb675534d44bc546453cc251312b1dc8db41f572cd098d84f87802d3c5f0e8cf
CRC32 a901684f
Example file location C:\Windows\System32\drivers\
Filename exfat.sys
System Windows 8.1
File size 164864 bytes
Date 2013-08-22
File details
MD5 630e4fafae692f2d2d3835a4f37a583c
SHA1 f15a93c34d553c12f7abb728d7c51b04299ff3f1
SHA256 282c2051f4bda060958529e4a1f799db91ca0855b804ff2f6e19eff913533fe1
CRC32 b8c9f571
Example file location C:\Windows\System32\drivers\
Filename exfat.sys
System Windows 8
File size 155648 bytes
Date 2012-07-26
File details
MD5 b60b2a0e110d640440263268fc02c726
SHA1 a146b82e09d3dbc7ae2fc649a1574f502bad60c2
SHA256 4e90f01e2e65987dff1bd919277d800b8a32df693862d7d3d8d78ebb3c07da07
CRC32 c1e07342
Example file location 1: C:\Windows\System32\drivers\
Filename exfat.sys
System Windows 7
File size 195072 bytes
Date 2009-07-13
File details
MD5 a510c654ec00c1e9bdd91eeb3a59823b
SHA1 928453d758a4a459266b86bd979666755eaa609a
SHA256 76cd277730f7b08d375770cd373d786160f34d1481af0536ba1a5d2727e255f5
CRC32 aaca6848
Example file location C:\Windows\System32\drivers\
Filename exfat.sys
System Windows Vista
File size 187904 bytes
Date 2009-04-11
File details
MD5 486844f47b6636044a42454614ed4523
SHA1 fd17bb5532efcbd98280b6c0fa7f48565c83bce8
SHA256 3e24e78584b199c0faa59613eeb7df67b3b878b277a0130c7a3ff608c130ba2f
CRC32 d21aa1e6
Example file location C:\Windows\System32\drivers\