Downloading and Repairing L3codeca.acm.mui

Last Updated: 11/27/2023
[Time to Read Article: 5 minutes]

l3codeca.acm.mui, also known as a MPEG Layer-3 Audio Codec for MSACM file, was created by Microsoft for the development of MPEG Layer-3 Audio Codec for MSACM. MUI files fall under under the Win32 DLL (Driver) file type category.

The first release of l3codeca.acm.mui for the Windows Vista platform was on 11/08/2006 for Windows Vista. On 07/29/2015, version 1, 9, 0, 0401 was released for Windows 10. l3codeca.acm.mui is included in Windows 10, Windows 8, and Windows Vista.

In this short article, you will discover detailed file information, steps for troubleshooting MUI file problems with l3codeca.acm.mui, and list of free downloads for every version that exists in our comprehensive file directory.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	l3codeca.acm.mui
File Extension:	MUI file extension
Description:	MPEG Layer-3 Audio Codec for MSACM
Object File Type:	Driver
File Operating System:	Win32
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Fraunhofer Institut Integrierte Schaltungen IIS
Software Program:	MPEG Layer-3 Audio Codec for MSACM
Legal Copyright:	Copyright © 1996-1999 Fraunhofer Institut Integrierte Schaltungen IIS

File Details
Character Set:	Unicode
Language Code:	English (U.S.)
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0x0000

View Other l3codeca.acm.mui Information

File Info	Description
File Size:	4.5 kB
File Modification Date/Time:	2017:03:18 04:56:54+00:00
File Inode Change Date/Time:	2017:11:05 07:07:54+00:00
File Type:	Win32 DLL
MIME Type:	application/octet-stream
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	0000:00:00 00:00:00
PE Type:	PE32
Linker Version:	14.10
Code Size:	0
Initialized Data Size:	4096
Uninitialized Data Size:	0
Entry Point:	0x0000
OS Version:	10.0
Image Version:	10.0
Subsystem Version:	6.0
Subsystem:	Windows GUI
File Version Number:	1.9.0.401
Product Version Number:	1.0.0.0
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Win32
Object File Type:	Driver
File Subtype:	9
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Fraunhofer Institut Integrierte Schaltungen IIS
File Description:	MPEG Layer-3 Audio Codec for MSACM
File Version:	1, 9, 0, 0401
Internal Name:	l3codec.acm
Legal Copyright:	Copyright © 1996-1999 Fraunhofer Institut Integrierte Schaltungen IIS
Original Filename:	l3codec.acm.mui
Product Name:	MPEG Layer-3 Audio Codec for MSACM
Product Version:	1, 0, 0, 0

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are l3codeca.acm.mui Error Messages?

Dynamic Link Library l3codeca.acm.mui Errors

l3codeca.acm.mui is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like l3codeca.acm.mui, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like sapisvr.exe - to follow. These files were created so that multiple programs (eg. Windows) could share the same l3codeca.acm.mui file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared MUI file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when l3codeca.acm.mui is attempted to be loaded either when Windows is starting up, or in some cases already running. Some of the most common l3codeca.acm.mui errors include:

Access Violation at address - l3codeca.acm.mui.
l3codeca.acm.mui could not be found.
Cannot find C:\Windows\System32\en-US\l3codeca.acm.mui.
Cannot register l3codeca.acm.mui.
Cannot start Windows. A required component is missing: l3codeca.acm.mui. Please install Windows again.
Failed to load l3codeca.acm.mui.
The application has failed to start because l3codeca.acm.mui was not found.
The file l3codeca.acm.mui is missing or corrupt.
This application failed to start because l3codeca.acm.mui was not found. Re-installing the application may fix this problem.

Your l3codeca.acm.mui file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, l3codeca.acm.mui file corruption could be caused from a power outage when loading Windows, system crash while loading l3codeca.acm.mui, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix l3codeca.acm.mui Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your l3codeca.acm.mui issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the l3codeca.acm.mui error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing l3codeca.acm.mui file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt l3codeca.acm.mui files (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "cmd" but DO NOT PRESS "ENTER".
Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
You'll be prompted with a permission dialog box.
In the box, click "YES".
You should have a black screen with a blinking cursor.
In that black screen, type "sfc /scannow" and hit "ENTER".
SFC will begin scanning for l3codeca.acm.mui issues and any other system file problems.
Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

If this Step 2 fails as well, please proceed to the Step 3 below.

sfc /scannow

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many l3codeca.acm.mui error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the l3codeca.acm.mui error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your l3codeca.acm.mui File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate l3codeca.acm.mui file version. We maintain a comprehensive database of 100% malware-free l3codeca.acm.mui files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download l3codeca.acm.mui Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy the file into the appropriate directory for your Windows version:

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

Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve l3codeca.acm.mui problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download l3codeca.acm.mui Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying l3codeca.acm.mui to your appropriate Windows system directory. Microsoft typically does not release Windows MUI files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing l3codeca.acm.mui and all other MUI files for Windows. An incorrectly installed MUI file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10

File Name

Software Version

File Version

Architecture

l3codeca.acm.mui

1.0.0.0

1, 9, 0, 0401

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	MPEG Layer-3 Audio Codec for MSACM
Software Version:	1.0.0.0
File Version:	1, 9, 0, 0401
File Size:	4608
File Date:	03/18/2017
MD5 Checksum:	c6190b5b7ffd80c2ebe604fcfc209be2
SHA1 Checksum:	5f6641e494ad6db56ac2787c31f6462404c29a70
SHA256 Checksum:	29a806d7df18ec4fde2238e949d569a8dcaf49424b9c209a089a49668798f02f
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	10.0
Initialized Data Size:	4096
Linker Version:	14.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	03/18/2017

Windows Vista

File Name

Software Version

File Version

Architecture

l3codeca.acm.mui

1.0.0.0

1, 9, 0, 0401

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows Vista
Software:	MPEG Layer-3 Audio Codec for MSACM
Software Version:	1.0.0.0
File Version:	1, 9, 0, 0401
File Size:	4096
File Date:	11/02/2006
MD5 Checksum:	9e0ec584c4ebb6ea36b939c77e4f7948
SHA1 Checksum:	1242fbc3a9facd5e131ae479393d0a0be3651b17
SHA256 Checksum:	1f5f19ca13782597ae5593b79c1370cc8bbc53ad374f6d14c714051935de9099
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	6.0
Initialized Data Size:	3584
Linker Version:	8.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	5.2
File Modification Date/Time:	11/02/2006

l3codeca.acm.mui

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows Vista
File Size:	4608
MD5 Checksum:	39dc453cf5e6225feadf930203194df7
SHA1 Checksum:	0bb0256c636b377ad5aa32f3de8eba3f791d9370
SHA256 Checksum:	7795ca0773a7750ecb88810654b11ccfd413ec6a256b02527bd73010a2aa48a2
CRC32:
File Directory Location:	C:\Windows\SysWOW64\en-US\

File Version, System, and Machine Information
There is no information available.

Windows 8

File Name

Software Version

File Version

Architecture

l3codeca.acm.mui

1.0.0.0

1, 9, 0, 0401

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8
Software:	MPEG Layer-3 Audio Codec for MSACM
Software Version:	1.0.0.0
File Version:	1, 9, 0, 0401
File Size:	4096
File Date:	07/26/2012
MD5 Checksum:	e4da82a7afc579ef47c6157b7c4d4ad6
SHA1 Checksum:	fd1e5e30bd4cef075c974409459c77bcbcb22fbc
SHA256 Checksum:	66ef576992685a3b8c3910f248f8c1c72cee83733d2480193b94f8f958b988bb
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.2
Initialized Data Size:	3584
Linker Version:	10.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	5.1
File Modification Date/Time:	07/26/2012

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Files Related to l3codeca.acm.mui

MUI Files Related to l3codeca.acm.mui

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
takeown.exe.mui	Takes ownership of a file	Microsoft® Windows® Operating System (10.0.15063.0)	16896	C:\Windows\System32\Sysprep\Panther\
ncpa.cpl.mui	Myriad User Instrument	Windows Vista	12288	C:\Windows\Logs\DPX\
nlhtml.dll.mui	Myriad User Instrument	Windows 7	2560	C:\WINDOWS\Tasks\
WfHC.dll.mui	Windows Firewall Helper Class	Microsoft® Windows® Operating System (6.1.7600.16385)	6656	C:\WINDOWS\Tasks\
dimsroam.dll.mui	Key Roaming DIMS Provider DLL	Microsoft® Windows® Operating System (6.1.7600.16385)	6144	C:\Windows\Panther\UnattendGC\

Other Files Related to l3codeca.acm.mui

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
OneX_v1.xsd	XML Schema Definition	Windows XP	5957	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows XP	15263	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows 10	18585	C:\Windows\L2Schemas\
LAN_profile_v1.xsd	XML Schema Definition	Windows 8	2241	C:\Windows\L2Schemas\
LAN_policy_v1.xsd	XML Schema Definition	Windows 8	3472	C:\Windows\L2Schemas\

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