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How to Repair processr.sys.mui? Download Now

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

processr.sys.mui file Processor Device Driver. 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 processr.sys.mui related errors on your device. You can also download processr.sys.mui file compatible with Windows 8.1, Windows 8, Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename processr.sys.mui
File extension MUI
Description Processor Device Driver
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Driver
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
processr.sys.mui

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

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

processr.sys.mui

Error

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

OK

Problems related to processr.sys.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 processr.sys.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.

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

The last solution is to manually download and replace processr.sys.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 processr.sys.mui file.

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

  • Windows 8.1: C:\Windows\System32\drivers\en-US\
  • Windows 8: 1: C:\Windows\System32\drivers\en-US\
  • Windows 7: C:\Windows\System32\drivers\en-US\
  • Windows Vista: C:\Windows\System32\drivers\en-US\

If the steps did not solve your processr.sys.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 processr.sys.mui
System Windows 8.1
File size 14336 bytes
Date 2014-11-21
File details
MD5 2e16897a12a9cb0b49ca832c290f11a4
SHA1 c54a8a663c95e6da3318bd5dc947a2fbbc1e2414
SHA256 f93c7209b39e60f7773711ae4554f6ccb81bc3c154d93fcfa89fbafa6e33a384
CRC32 5a04e1c0
Example file location C:\Windows\System32\drivers\en-US\
Filename processr.sys.mui
System Windows 8
File size 14336 bytes
Date 2012-07-26
File details
MD5 7fcd0dbd3f8f79ff2112f01f925570d1
SHA1 85dbc14d1f907fe956162f482de09387f0e9bab3
SHA256 dabb5ff531c154ebafca2760063aa3b2452c3aaf2c43e1977d1952002b1b51a5
CRC32 284c6fa1
Example file location 1: C:\Windows\System32\drivers\en-US\
Filename processr.sys.mui
System Windows 7
File size 14336 bytes
Date 2011-04-12
File details
MD5 12ee9100fc4ee882dc9d807518ea456f
SHA1 4ae71c04f310dfd438ddbcbad2d74383f22d1adc
SHA256 96146f2c49d482e9db244b702a041ee3e5da0a404a3c89433c16f602c9144394
CRC32 fc7f1acd
Example file location C:\Windows\System32\drivers\en-US\
Filename processr.sys.mui
System Windows Vista
File size 14336 bytes
Date 2006-11-02
File details
MD5 ea2e4b1443a23db40888d2aba816b6bc
SHA1 014b128956cf5a8a01d4014f011b2589165eb31d
SHA256 489c676f7cc48a7213d77ae823de27a855cc03eb120fdd9108ab994955fe7280
CRC32 21ba0944
Example file location C:\Windows\System32\drivers\en-US\