dui70.dll - Repair Issues and Download

Sometimes Windows system displays error messages regarding corrupted or missing dui70.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 dui70.dll file can therefore effect in failed execution of the started process.

dui70.dll file Windows DirectUI Engine. 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 dui70.dll related errors on your device. You can also download dui70.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 dui70.dll
File extension DLL
Description Windows DirectUI Engine
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 dui70.dll file. dui70.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 dui70.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • dui70.dll is corrupted
  • dui70.dll cannot be located
  • Runtime Error - dui70.dll
  • dui70.dll file error
  • dui70.dll file cannot be loaded. Module was not found
  • cannot register dui70.dll file:
  • dui70.dll file could not be loaded
  • dui70.dll file doesn't exist



Application could not be started because dui70.dll file is missing. Reinstall the application to solve the problem.


Problems related to dui70.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 dui70.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.

dui70.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 dui70.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 dui70.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 dui70.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 dui70.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the dui70.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 dui70.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 dui70.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 dui70.dll file

The last solution is to manually download and replace dui70.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 dui70.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of dui70.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\System32\
  • Windows 7: C:\Windows\System32\

If the steps did not solve your dui70.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 dui70.dll
System Windows 10
File size 1474048 bytes
Date 2017-03-18
File details
MD5 2c37f718ced1cf8d0b6589f673806867
SHA1 6e60b6d7faf6b83aaf55d87bb702424b79108d75
SHA256 5c0de0b716d64bf2228ab81713fcf0bdebc297a8cd6caecde0f00e0cceec8f1f
CRC32 f276b07a
Example file location C:\Windows\System32\
Filename dui70.dll
System Windows 8.1
File size 1461248 bytes
Date 2014-11-21
File details
MD5 af454a1198076ce87b171ad85ac2966a
SHA1 64d3c3ef45544c7e8af5ccaf39e14c140efe14ac
SHA256 4b99f12de00d0fdf5d75285f2f1d352ba429d72b81f5ca77a9de4172da103e2c
CRC32 78b8e8e4
Example file location C:\Windows\System32\
Filename dui70.dll
System Windows 8
File size 1412608 bytes
Date 2012-07-26
File details
MD5 fb11241b62f07c9ffe664610e262c528
SHA1 d2b831f159bc5ef42ac06541965e251f401258b3
SHA256 0decfd4c293d2e5d361b33ffa27c6d231a065ba5d772c82ddda7378d17ccd5f2
CRC32 13064e70
Example file location 1: C:\Windows\System32\
Filename dui70.dll
System Windows 7
File size 976896 bytes
Date 2009-07-14
File details
MD5 3cb6a7286422c72c34dab54a5dff1a34
SHA1 5b93896a6abb36c2b8957973e3ce1860c1059367
SHA256 98d21efff511e407336a226420701e82554da01fa05661303836b6860d63749d
CRC32 41f7dff3
Example file location C:\Windows\System32\
Filename dui70.dll
System Windows 7
File size 717824 bytes
Date -0001-11-30
File details
MD5 ee06b85bc69f18826302348a2ad089e0
SHA1 69396c24b9ac97882f6edeea30a1139efa43c7fc
SHA256 417205797cc9f6c986a863a61179784d9adcaf1961ef8a4d9042d73c5a86509a
CRC32 e822e42e
Example file location C:\Windows\System32\