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Download and Fix DiagCpl.dll.mui

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

DiagCpl.dll.mui file Troubleshooting Control Panel. 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 DiagCpl.dll.mui related errors on your device. You can also download DiagCpl.dll.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7 devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename DiagCpl.dll.mui
File extension MUI
Description Troubleshooting Control Panel
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
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.)
DiagCpl.dll.mui

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

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

DiagCpl.dll.mui

Error

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

OK

Problems related to DiagCpl.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 DiagCpl.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.

DiagCpl.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

Virus Scan

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

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to DiagCpl.dll.mui 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 DiagCpl.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

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

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

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

  • Windows 10: C:\Windows\System32\en-US\
  • Windows 8.1: C:\Windows\System32\en-GB\
  • Windows 8: 1: C:\Windows\System32\en-GB\
  • Windows 7: C:\Windows\System32\en-US\

If the steps did not solve your DiagCpl.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 DiagCpl.dll.mui
System Windows 10
File size 20480 bytes
Date 2017-03-18
File details
MD5 c98740e15a3e9fc5eebf6b23fbfc1509
SHA1 6d4a27d941a1cbc92103ea47b947f03e03e14497
SHA256 bc6fa69f48d6afd749089f9a06dca116b2b3089e2678d5d6533dc8eafbce3e52
CRC32 b5acfe18
Example file location C:\Windows\System32\en-US\
Filename DiagCpl.dll.mui
System Windows 8.1
File size 19968 bytes
Date 2014-11-21
File details
MD5 8a7d87608c9d73e25972295cb48bbad4
SHA1 e494c4be3e694dc2789d338577ae799d62b90fd3
SHA256 f885d143e23075026d7a610d75a90181e3af5964f3151023b15ab68474dd5ed8
CRC32 ff375bc3
Example file location C:\Windows\System32\en-GB\
Filename DiagCpl.dll.mui
System Windows 8
File size 19968 bytes
Date 2012-07-26
File details
MD5 08fc102c5d0f4bc7ec06c989e28fe47e
SHA1 8f16efdcc9a4689da60dd6749b8f8934122c4aed
SHA256 ac2b6416efcb736764fda8bdacb6d810fb3b93f6a7d5ded171ba4fe33aa245f5
CRC32 c7dd05df
Example file location 1: C:\Windows\System32\en-GB\
Filename DiagCpl.dll.mui
System Windows 7
File size 17408 bytes
Date 2011-04-12
File details
MD5 5c33ba5753a51e9d67d838549b016b95
SHA1 ef271e5bafc6d521134893d33534d3820afb4578
SHA256 9287decbc5131902e024853ccd530b963086f3db4c5f120165596927475b2bcc
CRC32 72bdabfe
Example file location C:\Windows\System32\en-US\