Repair Cmstplua.dll.mui Issues (How to Download and Fix)

Last Updated: 12/12/2024
[Time Needed for Reading: ~4-6 minutes]

cmstplua.dll.mui uses the MUI file extension, which is more specifically known as a Connection Manager Admin API Helper for Setup file. It is classified as a Win32 DLL (Dynamic link library) file, created for Microsoft(R) Connection Manager by Microsoft.

The first release of cmstplua.dll.mui for the Windows Vista platform was on 11/08/2006 for Windows Vista. The latest file version for Windows 10 is v7.2.15063.0 (WinBuild.160101.0800) released on 07/29/2015. cmstplua.dll.mui is found in Windows 10, Windows Vista, and Windows 8.1.

Below, you find comprehensive file information, instructions for simple MUI file troubleshooting, and list of free cmstplua.dll.mui downloads for each available file version.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	cmstplua.dll.mui
File Extension:	MUI file extension
Description:	Connection Manager Admin API Helper for Setup
Object File Type:	Dynamic link library
File Operating System:	Windows NT 32-bit
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Microsoft Corporation
Software Program:	Microsoft(R) Connection Manager
Legal Copyright:	© Microsoft Corporation. All rights reserved.

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

View Other cmstplua.dll.mui Information

File Info	Description
File Size:	2.5 kB
File Modification Date/Time:	2017:03:18 05:00:26+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:	2048
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:	7.2.15063.0
Product Version Number:	7.2.15063.0
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Dynamic link library
File Subtype:	0
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Microsoft Corporation
File Description:	Connection Manager Admin API Helper for Setup
File Version:	7.2.15063.0 (WinBuild.160101.0800)
Internal Name:	CMSTPLUA
Legal Copyright:	© Microsoft Corporation. All rights reserved.
Original Filename:	CMSTPLUA.DLL.MUI
Product Name:	Microsoft(R) Connection Manager
Product Version:	7.2.15063.0

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

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What are cmstplua.dll.mui Error Messages?

Dynamic Link Library cmstplua.dll.mui Errors

cmstplua.dll.mui is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like cmstplua.dll.mui, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like 3DViewer.ResourceResolver.exe - to follow. These files were created so that multiple programs (eg. Windows) could share the same cmstplua.dll.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 cmstplua.dll.mui is attempted to be loaded either when Windows is starting up, or in some cases already running. Some of the most common cmstplua.dll.mui errors include:

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

Your cmstplua.dll.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, cmstplua.dll.mui file corruption could be caused from a power outage when loading Windows, system crash while loading cmstplua.dll.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 cmstplua.dll.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 cmstplua.dll.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 cmstplua.dll.mui error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing cmstplua.dll.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 cmstplua.dll.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 cmstplua.dll.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 cmstplua.dll.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 cmstplua.dll.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 cmstplua.dll.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 cmstplua.dll.mui file version. We maintain a comprehensive database of 100% malware-free cmstplua.dll.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 cmstplua.dll.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\SysWOW64\en-US\
Windows Vista: C:\Windows\System32\en-US\
Windows 7: C:\Windows\SysWOW64\en-US\
Windows 7: C:\Windows\System32\en-US\
Windows 8: C:\Windows\System32\en-US\
Show 2 more directories +

Windows 8.1: C:\Windows\System32\en-GB\
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 cmstplua.dll.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 cmstplua.dll.mui Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying cmstplua.dll.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 cmstplua.dll.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

cmstplua.dll.mui

7.2.15063.0

7.2.15063.0 (WinBuild.160101.0800)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Microsoft(R) Connection Manager
Software Version:	7.2.15063.0
File Version:	7.2.15063.0 (WinBuild.160101.0800)
File Size:	2560
File Date:	03/18/2017
MD5 Checksum:	5899c4bc296dfb32cb2ae1ba35a09e5f
SHA1 Checksum:	0b8e441fd5036281f4691dabefd7ab5bd1ff9990
SHA256 Checksum:	96367f3c2de916c686c110d25bd76f973d8ffdbd460b9fabef715b854010b46a
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:	2048
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

cmstplua.dll.mui

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows Vista
File Size:	2560
MD5 Checksum:	d7f8f511b4f0431c5f7ccccfc3df6e43
SHA1 Checksum:	c50d4edbc44ce51ce4a987fe3d9773187c3adfe9
SHA256 Checksum:	9b54cbf59e7478f3ad7bf2073ddc76beb81bf350e9bfcf378091dc1dc2008271
CRC32:
File Directory Location:	C:\Windows\SysWOW64\en-US\

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

cmstplua.dll.mui

7.2.6000.16386

7.02.6000.16386 (vista_rtm.061101-2205)

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows Vista
Software:	Microsoft(R) Connection Manager
Software Version:	7.2.6000.16386
File Version:	7.02.6000.16386 (vista_rtm.061101-2205)
File Size:	2048
File Date:	11/02/2006
MD5 Checksum:	28b1a2da8d310a9697c28aca7214f7d7
SHA1 Checksum:	208e9c34798ca3a735a8239dda969b9193b09bef
SHA256 Checksum:	28990a8997be793bac827f94b09ab6848a8a7d0f325fd887129bcf79f1d41d89
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:	1536
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

Windows 8.1

File Name

Software Version

File Version

Architecture

cmstplua.dll.mui

7.2.9600.16384

7.02.9600.16384 (winblue_rtm.130821-1623)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8.1
Software:	Microsoft(R) Connection Manager
Software Version:	7.2.9600.16384
File Version:	7.02.9600.16384 (winblue_rtm.130821-1623)
File Size:	2048
File Date:	11/21/2014
MD5 Checksum:	67ce5a85d5ce4abaed859ead3a36af0f
SHA1 Checksum:	32bbfa780af2d9b4917fb1003823672f458c568d
SHA256 Checksum:	5c961b3e4bde1776b84e57c4832e5974931d3ddc98370d0a9275d62ec7d8cb25
CRC32:
File Directory Location:	C:\Windows\System32\en-GB\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.3
Initialized Data Size:	1536
Linker Version:	11.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	11/21/2014

Windows 8

File Name

Software Version

File Version

Architecture

cmstplua.dll.mui

7.2.9200.16384

7.02.9200.16384 (win8_rtm.120725-1247)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8
Software:	Microsoft(R) Connection Manager
Software Version:	7.2.9200.16384
File Version:	7.02.9200.16384 (win8_rtm.120725-1247)
File Size:	2048
File Date:	07/26/2012
MD5 Checksum:	b10366806c8fb1236bdd9b91b8cdcabc
SHA1 Checksum:	33685524d4ed3cce68c3893ad7de105f294f60e9
SHA256 Checksum:	89fe8133f2f5eca5d84070565ed4dde81f34a437066856e4e23823cfba731147
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:	1536
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

Windows 7

File Name

Software Version

File Version

Architecture

cmstplua.dll.mui

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 7
File Size:	2048
MD5 Checksum:	c5f40266e8da40ce52289a29da4e75cd
SHA1 Checksum:	630c5644febf815902e7262ffea816e24ab709b0
SHA256 Checksum:	5a0cf9ce534bfa0d56d5293d3db3266dc595bb1770d474eb78d9db855d235080
CRC32:
File Directory Location:	C:\Windows\SysWOW64\en-US\

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

cmstplua.dll.mui

7.2.7600.16385

7.02.7600.16385 (win7_rtm.090713-1255)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 7
Software:	Microsoft(R) Connection Manager
Software Version:	7.2.7600.16385
File Version:	7.02.7600.16385 (win7_rtm.090713-1255)
File Size:	2048
File Date:	04/12/2011
MD5 Checksum:	91998078d2e43885868dc65113f048cf
SHA1 Checksum:	3a6247dc4034f05ce1b696927868d972564f10ca
SHA256 Checksum:	377df8fe3027325c849661444364225e41787410f9320c3b7c74a1b9b8728434
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	6.1
Initialized Data Size:	1536
Linker Version:	9.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	5.2
File Modification Date/Time:	04/12/2011

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Files Related to cmstplua.dll.mui

MUI Files Related to cmstplua.dll.mui

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
wmiprop.dll.mui	WDM Provider Dynamic Property Page CoInstaller	Microsoft® Windows® Operating System (6.1.7600.16385)	3072	C:\WINDOWS\Tasks\
comctl32.dll.mui	Myriad User Instrument	Windows 7	5120	C:\$WINDOWS.~BT\Sources\Boot\PXE\pl-PL\
Rt630x86.sys.mui	Realtek 8101E/8168/8169 NDIS 6.30 32-bit Driver	Realtek 8136/8168/8169 PCI/PCIe Adapters (8.001.1019.2011)	2560	C:\Windows\System32\LogFiles\WMI\RtBackup\
msaatext.dll.mui	Active Accessibility text support	Microsoft® Windows® Operating System (6.3.9600.16384)	2560	C:\Windows\Panther\UnattendGC\
miguiresource.dll.mui	Myriad User Instrument	Windows 7	2560	C:\Windows\System32\Sysprep\Panther\

Other Files Related to cmstplua.dll.mui

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
OneX_v1.xsd	XML Schema Definition	Windows 8	5957	C:\Windows\L2Schemas\
WWAN_profile_v1.xsd	XML Schema Definition	Windows 8	6201	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows 8	15591	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows 10	18585	C:\Windows\L2Schemas\
WLAN_policy_v1.xsd	XML Schema Definition	Windows 7	7405	C:\Windows\L2Schemas\

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