efisys.bin - Repair Issues and Download

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

efisys.bin file Binary Disk Image. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of efisys.bin related errors on your device. You can also download efisys.bin file compatible with Windows 10, 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, Windows 7, Windows Vista

File info

General information
Filename efisys.bin
File extension BIN
Type Executable Application
Description Binary Disk Image
Program Windows 10
Software Windows
Author Microsoft
Software version 10
File size 1474560
Oldest file 2009-04-11
Latest file 2017-03-18

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

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



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


Problems related to efisys.bin 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 efisys.bin 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.

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

The last solution is to manually download and replace efisys.bin 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 efisys.bin file.

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

  • Windows 10: C:\Windows\Boot\DVD\EFI\en-US\
  • Windows 8: C:\Windows\Boot\DVD\EFI\en-US\
  • Windows 7: C:\Windows\Boot\DVD\EFI\en-US\
  • Windows Vista: C:\Windows\Boot\DVD\EFI\en-US\

If the steps did not solve your efisys.bin 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 efisys.bin
System Windows 10
File size 1474560 bytes
Date 2017-03-18
File details
MD5 8235e02101131ae83631a3cb67ddd0ba
SHA1 543fdf8655197f2939edd1e52ffd98dabc5025b1
SHA256 de70634904bc8d21e22e4bb8ae094e4ef0c0a4e9d314bb72024d73caf401e8c9
CRC32 6986f665
Example file location C:\Windows\Boot\DVD\EFI\en-US\
Filename efisys.bin
System Windows 8
File size 1474560 bytes
Date 2012-07-26
File details
MD5 15a37b57b1a09173ae14950346cac9e1
SHA1 1b2cd4fcd3548517befd9346cc8f679f3cc4eada
SHA256 830f2db0d7d0cd97bc1176b7d2ed334f8350c427efab36e23b8b61031c73b378
CRC32 1f512fcd
Example file location C:\Windows\Boot\DVD\EFI\en-US\
Filename efisys.bin
System Windows 7
File size 1474560 bytes
Date 2010-11-21
File details
MD5 e92240d0850f9807e78bbf016b742869
SHA1 48a7eec818594d88020809b163ea9c69a4a017ee
SHA256 6283b20f30a9e7269e49bd4041999ae17b8d093b204cf06068beebd804936be4
CRC32 97191901
Example file location C:\Windows\Boot\DVD\EFI\en-US\
Filename efisys.bin
System Windows Vista
File size 1474560 bytes
Date 2009-04-11
File details
MD5 6782d44751d536dcf0b70b1375993d43
SHA1 519b91fcf8451fef6963b68b9bc5e279c0638df3
SHA256 92165a00228c83c677eee6942305f13f24b2d873473fa78edcc32f08a5c5691e
CRC32 0dc13ab6
Example file location C:\Windows\Boot\DVD\EFI\en-US\