Repair and Download cmstplua.dll Now

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

cmstplua.dll file Connection Manager Admin API Helper for Setup. 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 cmstplua.dll related errors on your device. You can also download cmstplua.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 cmstplua.dll
File extension DLL
Description Connection Manager Admin API Helper for Setup
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 cmstplua.dll file. cmstplua.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 cmstplua.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to cmstplua.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 cmstplua.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.

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

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

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

If the steps did not solve your cmstplua.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 cmstplua.dll
System Windows 10
File size 16384 bytes
Date 2017-03-18
File details
MD5 7a8abb0441a5522873940ee2269dad3d
SHA1 89dc932bbb25983ca66040326961daf1277ce73d
SHA256 587cef45806cc1f86ca08c5c29330e4e1ac837029def424b93c9deb2114006a2
CRC32 6ac10b0d
Example file location C:\Windows\System32\
Filename cmstplua.dll
System Windows 8.1
File size 16896 bytes
Date 2014-11-21
File details
MD5 e428a8634f40655069e594afa0f23b05
SHA1 c1989f1a0e7be3b00c09d543654046e247de3b3f
SHA256 e3d5d0e637b2d3a98eac6e231522472c5c28819262b71209743362227b781bf2
CRC32 ba04e6e7
Example file location C:\Windows\System32\
Filename cmstplua.dll
System Windows 8
File size 15360 bytes
Date 2012-07-26
File details
MD5 a7f4ef183148e0cb05cc781b27d7a568
SHA1 313a3f3e9115d4e8191b7153f5a19588f7402195
SHA256 87984954225bc7fd7cfd1cb46b05878d6863e22ab5a4ea383142a519db51efef
CRC32 3c32bd4b
Example file location 1: C:\Windows\System32\
Filename cmstplua.dll
System Windows 7
File size 18432 bytes
Date 2009-07-14
File details
MD5 23eb67901e2e8ea839abb7c8eda141ac
SHA1 823a8c33739313a922c4de926b5ffe19bc6cff0a
SHA256 8f5ebabced5cd0c634e6847816a2df9ae906bc871af1f43bf02ce5bb01bc775e
CRC32 cf9de8be
Example file location C:\Windows\System32\
Filename cmstplua.dll
System Windows 7
File size 15360 bytes
Date -0001-11-30
File details
MD5 8721529e346e6ad80c2da7c8c36bcb37
SHA1 51dea31c99c6f244ca2245710b5b77de04a34b1d
SHA256 dd4f5aebd8549976382f32864200db7101adb078090a130d19881175b8c87a89
CRC32 4c9da8da
Example file location C:\Windows\System32\
Filename cmstplua.dll
System Windows Vista
File size 14336 bytes
Date -0001-11-30
File details
MD5 73fe91ecfde60d39dd08d45b1914087e
SHA1 d8b9bdb7d476d5ec7c003fe51f98d6f450c2b0b5
SHA256 52e519acec89a0e6c748a63c7d1c02c2e67c6637c8cb848ac39eaf846c840112
CRC32 3e38fb49
Example file location ---
Filename cmstplua.dll
System Windows Vista
File size 16896 bytes
Date 2008-01-21
File details
MD5 9a2251ae5696c18022d07e5d47e2a9cc
SHA1 04ff5a950ccc125e51b4f476af7f0cda578d69ef
SHA256 7746f11724f9db24c5f17ee331fc0b3ed76506df5cbbb80893a4e849cc7c0470
CRC32 658855cc
Example file location ---