Sometimes Windows system displays error messages regarding corrupted or missing EP0NLMUI.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 EP0NLMUI.DLL file can therefore effect in failed execution of the started process.

EP0NLMUI.DLL file برنامج تشغيل الطابعة EPSON. 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 EP0NLMUI.DLL related errors on your device. You can also download EP0NLMUI.DLL file compatible with Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 7, Windows Vista

File info

General information
File extension DLL
Description برنامج تشغيل الطابعة EPSON
Program EPSON Printer Driver
MIME type application/octet-stream
File type Driver
System Windows NT 32-bit
Copyrights © SEIKO EPSON CORPORATION 2004. All rights reserved.
Character set Unicode
Language cod Arabic

There are various types of errors related to EP0NLMUI.DLL file. EP0NLMUI.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 EP0NLMUI.DLL file. If you encounter one listed below (or similar), please consider the following suggestions.

  • EP0NLMUI.DLL is corrupted
  • EP0NLMUI.DLL cannot be located
  • Runtime Error - EP0NLMUI.DLL
  • EP0NLMUI.DLL file error
  • EP0NLMUI.DLL file cannot be loaded. Module was not found
  • cannot register EP0NLMUI.DLL file:
  • EP0NLMUI.DLL file could not be loaded
  • EP0NLMUI.DLL file doesn't exist



Application could not be started because EP0NLMUI.DLL file is missing. Reinstall the application to solve the problem.


Problems related to EP0NLMUI.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 EP0NLMUI.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.

EP0NLMUI.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 EP0NLMUI.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 EP0NLMUI.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 EP0NLMUI.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 EP0NLMUI.DLL file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the EP0NLMUI.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 EP0NLMUI.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 EP0NLMUI.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 EP0NLMUI.DLL file

The last solution is to manually download and replace EP0NLMUI.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 EP0NLMUI.DLL file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of EP0NLMUI.DLL file example directory paths.

  • Windows 7: C:\Windows\System32\DriverStore\FileRepository\prnep00a.inf_amd64_neutral_92a4c727cdf4c2f7\Amd64\
  • Windows Vista: C:\Windows\System32\DriverStore\FileRepository\prnep001.inf_22b38952\Amd64\

If the steps did not solve your EP0NLMUI.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

System Windows 7
File size 128000 bytes
Date 2009-07-14
File details
MD5 05ed3b0511fccdf6c7a288cabf3556de
SHA1 c3212f965bba2e7b58d59fb5249eed40ef943682
SHA256 8166cc64e7dc89a0c893e30249b6fed24bf9dfea7bd290f817837dd7fa817bfc
CRC32 22da6903
Example file location C:\Windows\System32\DriverStore\FileRepository\prnep00a.inf_amd64_neutral_92a4c727cdf4c2f7\Amd64\
System Windows Vista
File size 129536 bytes
Date 2006-11-02
File details
MD5 0d90c86a11ceb271608a9a4060faa88a
SHA1 b0acaed404d6f9f804674077aec66e63fd788cf1
SHA256 291958eccf398af22cf190f32d8a8a4597b08beec98219a92eb6f15a04a9c41d
CRC32 88e56be8
Example file location C:\Windows\System32\DriverStore\FileRepository\prnep001.inf_22b38952\Amd64\