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Download procinst.dll.mui to Fix Errors

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

procinst.dll.mui file Processor Class Installer. 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 procinst.dll.mui related errors on your device. You can also download procinst.dll.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 procinst.dll.mui
File extension MUI
Description Processor Class Installer
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Executable application
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (British)
procinst.dll.mui

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

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

procinst.dll.mui

Error

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

OK

Problems related to procinst.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 procinst.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.

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

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

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

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

If the steps did not solve your procinst.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 procinst.dll.mui
System Windows 8.1
File size 2048 bytes
Date 2014-11-21
File details
MD5 8491e1fa5c0d371eb8ddcdf36b7a0b16
SHA1 c5120ac141edfaa7de80e006b94732d7b677b5d5
SHA256 f7dd46562f0728621bd22c60ae70b5e3f3d45042607b7a8bc03f040a6efab6e6
CRC32 9d61f9bb
Example file location C:\Windows\System32\en-GB\
Filename procinst.dll.mui
System Windows 8
File size 2048 bytes
Date 2012-07-26
File details
MD5 af3ba5764259939541e772c5164d05d7
SHA1 cf5376ade351f3b2fd62cc2124eb91baf7ecf2fc
SHA256 fce36bf8b78e86adcdffad39892f6caf294d85adb3cbc422e8565b7e30a2954a
CRC32 7f71f0a0
Example file location 1: C:\Windows\System32\en-GB\
Filename procinst.dll.mui
System Windows 7
File size 2048 bytes
Date 2011-04-12
File details
MD5 59156a44e6ede156e2ddcdfe6e2e064c
SHA1 ef6d6253b5e8439ac5635b998790a1e67a9002e4
SHA256 544118c5e8da612c752ba662796137a28b8dc6eb0fe442ca161306e492e233c7
CRC32 8b1eea44
Example file location C:\Windows\System32\en-US\
Filename procinst.dll.mui
System Windows Vista
File size 2048 bytes
Date 2006-11-02
File details
MD5 3ac3c31644891724f4c3e33118ef6943
SHA1 c1c7cfe8bc49e41d1a2dc5bd7a8c95939b221b09
SHA256 6571b9e2b91fa233668e801ff6af86ef074659ca0d504b741da5e77c0fca9c62
CRC32 e4d850fe
Example file location C:\Windows\System32\en-US\