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Fix CertPolEng.dll.mui Errors

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

CertPolEng.dll.mui file Certificate Policy Engine. 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 CertPolEng.dll.mui related errors on your device. You can also download CertPolEng.dll.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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, Windows 7

File info

General information
Filename CertPolEng.dll.mui
File extension MUI
Description Certificate Policy Engine
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 (U.S.)
CertPolEng.dll.mui

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

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

CertPolEng.dll.mui

Error

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

OK

Problems related to CertPolEng.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 CertPolEng.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.

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

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

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

  • Windows 10: C:\Windows\System32\en-US\
  • Windows 8.1: C:\Windows\System32\en-US\
  • Windows 8: 1: C:\Windows\System32\en-US\
  • Windows 7: C:\Windows\SysWOW64\en-US\
  • Windows 7: C:\Windows\SysWOW64\en-US\

If the steps did not solve your CertPolEng.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 CertPolEng.dll.mui
System Windows 10
File size 7168 bytes
Date 2017-03-18
File details
MD5 01c9bc56f54028023be939b8e312107a
SHA1 6f7b2960eceba2dcb70ee4b6ad636c0ef668ee57
SHA256 975211f4ca9251e07a1a8ca659d260ccc07172e85149455ba451e7eba5544fb3
CRC32 2d64ba7c
Example file location C:\Windows\System32\en-US\
Filename CertPolEng.dll.mui
System Windows 8.1
File size 6656 bytes
Date 2014-11-21
File details
MD5 172593d9d1249952fe73b45a94a6ea50
SHA1 ed722b6294e9cd1993add3656d4b4be1dbfce994
SHA256 6f9dc2a54c0bebe424467043a6dced72ea3c7de37c77b7ae8a28e1a4f06d0b5b
CRC32 3b234adb
Example file location C:\Windows\System32\en-US\
Filename CertPolEng.dll.mui
System Windows 8
File size 6656 bytes
Date 2012-07-26
File details
MD5 218ab8843b8eaefdaaacdb7491d0eef8
SHA1 120d72f87527661d5641ec9a7e1b16b0bda90c96
SHA256 06cf2386f7f1aee521b2fcd64859e36ec9b512cba5335b4197b398055ab9144c
CRC32 8559f275
Example file location 1: C:\Windows\System32\en-US\
Filename CertPolEng.dll.mui
System Windows 7
File size 6656 bytes
Date -0001-11-30
File details
MD5 74673ab86d41148865aa25c76d8cf7e4
SHA1 6c2044f005f607525dab09b972be11031c6eba84
SHA256 185f1519ddd1f0d47b1f4d3721ee8faa11b065368e0f7cddfff0ff73024a9725
CRC32 b0c81443
Example file location C:\Windows\SysWOW64\en-US\
Filename CertPolEng.dll.mui
System Windows 7
File size 6656 bytes
Date 2011-04-12
File details
MD5 f381c9ed90c14fa177205dd5feb496f4
SHA1 02a7d1015f49fe2e8fd5999c2de6caad37234557
SHA256 a0eb329386d9802f5da363047304142d599d3510c672b177148a917dc6a0a875
CRC32 2740bd22
Example file location C:\Windows\SysWOW64\en-US\