Download cmlua.dll to Fix Errors

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

cmlua.dll file Connection Manager Admin API Helper. 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 cmlua.dll related errors on your device. You can also download cmlua.dll 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.

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

File info

General information
Filename cmlua.dll
File extension DLL
Description Connection Manager Admin API Helper
Program Microsoft(R) Connection Manager
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 cmlua.dll file. cmlua.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 cmlua.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to cmlua.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 cmlua.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of cmlua.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\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your cmlua.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 cmlua.dll
System Windows 10
File size 35328 bytes
Date 2017-03-18
File details
MD5 b6d26e0ed1526debf1e20cb3d9239b7f
SHA1 664f2afbd3ca4d8ce8e5ab3fb068a7e23b9b5f70
SHA256 b144e32068c3c4dda04f8482060b955f20dc0c870f71594a3dca8dbbdd564d86
CRC32 c71d1334
Example file location C:\Windows\System32\
Filename cmlua.dll
System Windows 8.1
File size 35840 bytes
Date 2014-11-21
File details
MD5 dc76dce751f655b6c18fec49b2fa3d36
SHA1 09bf8300e42206fff6e1a425deef6a153a9c9aa6
SHA256 fa7ebf5b68ed6d4dcf0ff7bdbda320f6b192a8f924b11075154686455fedd032
CRC32 1c35fea3
Example file location C:\Windows\System32\
Filename cmlua.dll
System Windows 8
File size 33280 bytes
Date 2012-07-26
File details
MD5 58c48e2e5e8fc4c682a6d9ca731d0f4e
SHA1 1737421bfbc8505099d3f0c0ded75669dd0ea7a2
SHA256 e24304d4baaea0b607a06983b08e0ce8dd0e449368fc8e717d2062ed23c8f815
CRC32 e665250d
Example file location 1: C:\Windows\System32\
Filename cmlua.dll
System Windows 7
File size 34304 bytes
Date -0001-11-30
File details
MD5 ab297ff86d67850cd75fdcdceacff633
SHA1 97c29771683d61bc1db45432053a2285627d5c94
SHA256 7c6ec816a09702c658ee89dc15f1508f1cab2784385610b9762e39703df046fb
CRC32 bcc7ab43
Example file location C:\Windows\SysWOW64\
Filename cmlua.dll
System Windows 7
File size 41984 bytes
Date 2009-07-14
File details
MD5 caa639846ea794135629482ca375bb38
SHA1 036f3ef410ee4004764678e94d395e71a9affe51
SHA256 24f06fd60df36bb313d11ac83dfc4b3daa8189a669c328cd53fa88512707eb22
CRC32 8b30f205
Example file location C:\Windows\SysWOW64\
Filename cmlua.dll
System Windows Vista
File size 37888 bytes
Date 2008-01-21
File details
MD5 d1e31dbcd6ad28bfbca4d29c8b97d99e
SHA1 1e62ee17b59a5887d00dcf8731f9c84658aced0e
SHA256 1dfe0426c58d9517a770b9eafc50724fe379e237ea8d2fa713b5be0676aaa945
CRC32 989be6fa
Example file location ---
Filename cmlua.dll
System Windows Vista
File size 32768 bytes
Date -0001-11-30
File details
MD5 d7d9019f5952731303a9fd44acaa3b43
SHA1 db1f14ade559fed9e7f8c8ba2bd846a6dd54f1d8
SHA256 5cecd24700ebf7180f00c536ef93e207234f72849bd5bd79cb70d39e3a2568c0
CRC32 fe09639e
Example file location ---