Fix DDACLSys.dll.mui Errors

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

DDACLSys.dll.mui file SysPrep module for Resetting Data Drive ACL. 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 DDACLSys.dll.mui related errors on your device. You can also download DDACLSys.dll.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista

User popularity

Fix DDACLSys.dll.mui errors

1 Information about DDACLSys.dll.mui file
2 Errors related to DDACLSys.dll.mui file
3 How to fix DDACLSys.dll.mui related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download DDACLSys.dll.mui

4.1 List of DDACLSys.dll.mui file versions

File info

General information
Filename	DDACLSys.dll.mui
File extension	MUI
Description	SysPrep module for Resetting Data Drive ACL

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Executable application
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common DDACLSys.dll.mui file related problems

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

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

DDACLSys.dll.mui

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

Problems related to DDACLSys.dll.mui 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 DDACLSys.dll.mui 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.

How to fix DDACLSys.dll.mui errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

DDACLSys.dll.mui 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

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with DDACLSys.dll.mui 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.

Installing relevant Microsoft Windows patches and updates may solve your problems related to DDACLSys.dll.mui file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
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 DDACLSys.dll.mui 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 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 DDACLSys.dll.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the DDACLSys.dll.mui file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the DDACLSys.dll.mui file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the DDACLSys.dll.mui 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 DDACLSys.dll.mui file

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

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

Windows 10: C:\Windows\System32\en-US\
Windows 8.1: C:\Windows\System32\en-US\
Windows 8: 1: C:\Windows\System32\en-US\
Windows 7: C:\Windows\SysWOW64\en-US\
Windows 7: C:\Windows\SysWOW64\en-US\
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your DDACLSys.dll.mui 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 DDACLSys.dll.mui

System Windows 10

File size 2560 bytes

Date 2017-03-18

Download

File details
	MD5	70566a83cf36c59be9575799e3a42862
	SHA1	e7e49f1e00acabeffec0c1a81dcbd134ea832b8d
	SHA256	1b369dd102a820cc66eb22568f99eef2dc7aa295bf7de1561ab068d7bde210c1
	CRC32	f9084c05
	Example file location	C:\Windows\System32\en-US\

Filename DDACLSys.dll.mui

System Windows 8.1

File size 2048 bytes

Date 2014-11-21

Download

File details
	MD5	1a7c914b3bf164a039f8880f28be1649
	SHA1	fb666b51e50405a76fd2cc710d819e15b54f0cea
	SHA256	cd2cfef9635bb2042f86b3c13a69b7906aeb336e00776cb2e6eb7768ab5a4d54
	CRC32	aa02f3e1
	Example file location	C:\Windows\System32\en-US\

Filename DDACLSys.dll.mui

System Windows 8

File size 2048 bytes

Date 2012-07-26

Download

File details
	MD5	e35812a2d083bcb8a6be41ec282277b4
	SHA1	568e707ded73f9a6de1f5ccc1f4a578b18db7ab7
	SHA256	1f70a2e595702282fb4ae07330ffe40265e776c23c481d734b62801881c4902b
	CRC32	2a651f9d
	Example file location	1: C:\Windows\System32\en-US\

Filename DDACLSys.dll.mui

System Windows 7

File size 2048 bytes

Date 2011-04-12

Download

File details
	MD5	173faa612c0b45db33e988afc61c855b
	SHA1	a6ed8504987b8a50f40f0309789d43a6781ba9b3
	SHA256	4e8345ab14908f97648871aa254e5be8b59939093f19d26bb9c907ca4e6c09f7
	CRC32	071ec40a
	Example file location	C:\Windows\SysWOW64\en-US\

Filename DDACLSys.dll.mui

System Windows 7

File size 2048 bytes

Date -0001-11-30

Download

File details
	MD5	dd3c4ceecaa80665e37e7762fbec3d6a
	SHA1	22efe2386023e4cbb3966d1d72f813dc96c650f4
	SHA256	3a10f75a22c494ed4f7ef470ad1004e5a26aa67f0784e3658a900333dac64f83
	CRC32	ee3fe7de
	Example file location	C:\Windows\SysWOW64\en-US\

Filename DDACLSys.dll.mui

System Windows Vista

File size 2048 bytes

Date 2006-11-02

Download

File details
	MD5	e652114e3e432fe29f2a5bcd0c797d89
	SHA1	a646e58362fe4f7669cf960547e0d6c95d7c3862
	SHA256	408fbeb877e0a1c96e357a0003534f9ec2ac7e24874f00d9dc52f04837a7fae4
	CRC32	ef11ec73
	Example file location	---

Filename DDACLSys.dll.mui

System Windows Vista

File size 2560 bytes

Date -0001-11-30

Download

File details
	MD5	fa6482e0faee8d870a09c9ace78eee2a
	SHA1	360d577d1d4190e1e5ef05995a7ef1a5f73aced4
	SHA256	7c62e97bf0ea233e0408d807a062ec46a6e6545024399c1cd9420dd9aee6c2ae
	CRC32	ba0c04ee
	Example file location	---