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Download and Fix CompatUI.dll.mui

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

CompatUI.dll.mui file Myriad User Instrument. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of CompatUI.dll.mui related errors on your device. You can also download CompatUI.dll.mui file compatible with Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows Vista, Windows Vista

File info

General information
Filename CompatUI.dll.mui
File extension MUI
Type Dynamic Link Library
Description Myriad User Instrument
Software
Program Windows Vista
Software Windows
Author Microsoft
Software version Vista
Details
File size 28672
Oldest file 2006-11-02
Latest file 2006-11-02
CompatUI.dll.mui

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

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

CompatUI.dll.mui

Error

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

OK

Problems related to CompatUI.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 CompatUI.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.

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

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

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

  • Windows Vista: C:\Windows\System32\en-US\
  • Windows Vista: C:\Windows\System32\en-US\

If the steps did not solve your CompatUI.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 CompatUI.dll.mui
System Windows Vista
File size 28672 bytes
Date -0001-11-30
File details
MD5 8d173d6a6ba734735843daed35375ed1
SHA1 fb735d88f72c3bc50ac16d83415157044e10c3e5
SHA256 2b64156489743dc91aaf4aef46cdfd22dee475b14159bd1917bd5baf04fa8483
CRC32 e33f141e
Example file location C:\Windows\System32\en-US\
Filename CompatUI.dll.mui
System Windows Vista
File size 17920 bytes
Date 2006-11-02
File details
MD5 d16a4766ff14a93a379b27d933971c15
SHA1 de60d5abc3e460898d6858ca549b899bef3e3357
SHA256 e78d2be544f233e1d10312bdb3f266ceae275e456305e6020a7ab0cd6ea8a715
CRC32 a99e0667
Example file location C:\Windows\System32\en-US\