Download eappgnui.dll to Fix Errors

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

eappgnui.dll file EAP Generic UI. 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 eappgnui.dll related errors on your device. You can also download eappgnui.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP 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, Windows Vista, Windows Vista, Windows XP

File info

General information
Filename eappgnui.dll
File extension DLL
Description EAP Generic UI
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 eappgnui.dll file. eappgnui.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 eappgnui.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to eappgnui.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 eappgnui.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of eappgnui.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\
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---

If the steps did not solve your eappgnui.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 eappgnui.dll
System Windows 10
File size 90112 bytes
Date 2017-03-18
File details
MD5 e90fc800aa44d775169387cbf9b27cf8
SHA1 d99f022187aedcf87bd13f39ffafb62aff39272c
SHA256 34de54433998b4e260fd32401f3e81ed9127af0d37281fba3e8214ba345d16b8
CRC32 0a1090c7
Example file location C:\Windows\System32\
Filename eappgnui.dll
System Windows 8.1
File size 91648 bytes
Date 2014-11-21
File details
MD5 0f03d42887dddf17aa0c99a8a7e4273b
SHA1 cd784df57e34e98d0c62aea6772dd5d968619cf0
SHA256 9bac3b5b3b962fa37ba53e655e99280820e53483af16a0c2459219cd76e257bb
CRC32 ccec2257
Example file location C:\Windows\System32\
Filename eappgnui.dll
System Windows 8
File size 92672 bytes
Date 2012-07-26
File details
MD5 3195f7a601f0e9cca45e93bf968bd205
SHA1 7d20f9cd2142b3386ae02d04df5c2d0f3ea0b4e3
SHA256 69b54f00dfe1afb090284ac0ddae1c26e45476e1550e73706eede964e8e77741
CRC32 2e9e4068
Example file location 1: C:\Windows\System32\
Filename eappgnui.dll
System Windows 7
File size 94208 bytes
Date -0001-11-30
File details
MD5 6db7ecba34165acb99a1a3c7f739e757
SHA1 93ca37b446d2e5308fedce249ba5954e45ce8764
SHA256 fcaa0bf8fa66f4a6ea1b2285c34fa874970816060515e520a3bc4c1eb0140021
CRC32 355232d7
Example file location C:\Windows\SysWOW64\
Filename eappgnui.dll
System Windows 7
File size 103936 bytes
Date 2010-11-21
File details
MD5 9bdaebdbde7b98068f7f59e51476160c
SHA1 aaa8a446452cfe488d496c6b4666cc16bbe1448f
SHA256 064f1418fbdb427b79e5f11057bc00556b204e334915eb2ab3f60c730da4ecaf
CRC32 1e359349
Example file location C:\Windows\SysWOW64\
Filename eappgnui.dll
System Windows Vista
File size 104448 bytes
Date 2009-04-11
File details
MD5 b013d8a6989cc1603f15be372e779329
SHA1 ed5046c98a24352cec0d3701ae3d5ca81e8724ea
SHA256 cd570275c9123fa9a61a933e9537e91008669b283fd70d64948561cafe64b4fd
CRC32 a014f4a6
Example file location ---
Filename eappgnui.dll
System Windows Vista
File size 93696 bytes
Date -0001-11-30
File details
MD5 bbe1cd4620cba35f383e5c499f5ceca5
SHA1 c60e454500f086633add1de6f95a270383c96db7
SHA256 71895e1b487177bc7fdc146a24fbdac2e8714943bbcb4689e7030e86f644bd0d
CRC32 498da873
Example file location ---
Filename eappgnui.dll
System Windows XP
File size 94208 bytes
Date 2008-04-14
File details
MD5 395fd41d69c1ab8ce91feabd2168097e
SHA1 f03e462de1c572e4b4b8dd19d3998bb8b0a45820
SHA256 5151c5b29cfe31da40008aebc5e9595c4a901455a1f96cd3a57c34a7f1558c6e
CRC32 f524d11f
Example file location ---