CertEnrollUI.dll - Repair Issues and Download

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

CertEnrollUI.dll file X509 Certificate Enrollment UI. 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 CertEnrollUI.dll related errors on your device. You can also download CertEnrollUI.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista 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, Windows Vista, Windows Vista

File info

General information
Filename CertEnrollUI.dll
File extension DLL
Description X509 Certificate Enrollment UI
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
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.)

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

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



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


Problems related to CertEnrollUI.dll 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 CertEnrollUI.dll 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.

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

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

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your CertEnrollUI.dll 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 CertEnrollUI.dll
System Windows 10
File size 290304 bytes
Date 2017-03-18
File details
MD5 d9952abb3e5f1d0d69fa6f3a180bea0e
SHA1 382adab1e34e1d8d5ce79541f34980c08b82ccf3
SHA256 c1b1287867d3b87987a2d02ff52e3f91d6c9c50f51ce8c7d0e0fafee6751ed5f
CRC32 2282270a
Example file location C:\Windows\System32\
Filename CertEnrollUI.dll
System Windows 8.1
File size 284672 bytes
Date 2014-11-21
File details
MD5 395fa5c4eb98ec7cee2bff0e1d3dfae0
SHA1 c67cf5d9b170cc1f1dd0585606577c38bb1485e7
SHA256 dd1b152f0aba05aaab311a1531f44aa529f1409073fe2549c09fbb15e3240368
CRC32 5a42154e
Example file location C:\Windows\System32\
Filename CertEnrollUI.dll
System Windows 8
File size 273408 bytes
Date 2012-07-26
File details
MD5 3823541a7a1a9cb195090d090923071b
SHA1 5af9ea01abef21f5cca1e16e5bbfe7357260949e
SHA256 51b7f1cc4163f965e755954a22003a204f40805d67d49bbb272dc6252e255b6e
CRC32 edc2cd82
Example file location 1: C:\Windows\System32\
Filename CertEnrollUI.dll
System Windows 7
File size 297984 bytes
Date 2009-07-14
File details
MD5 3758976d7a8658a4916f5ec2ea644c9c
SHA1 75d5cf6297331a64ad3182d14a4677842c5c7607
SHA256 d74a30b17ef042dbf79b98cafaf58143ae4eaf5bc50804592f6b61b29f7e5fb6
CRC32 a7268b84
Example file location C:\Windows\System32\
Filename CertEnrollUI.dll
System Windows 7
File size 271872 bytes
Date -0001-11-30
File details
MD5 4288f3dfcb9a27f7354421f57c5b16fc
SHA1 4bfdaa7b5b8db0785519266a9f97a46c83a8d498
SHA256 ea85a9045339166b952660626849a5027a8c6a167acb9609b02ffa176c136b36
CRC32 ac028433
Example file location C:\Windows\System32\
Filename CertEnrollUI.dll
System Windows Vista
File size 633856 bytes
Date -0001-11-30
File details
MD5 039f5070fd21a0fa3aba305e393f75e7
SHA1 4ee55296724e5fd7e035576fb1adb5a4c552929c
SHA256 8000327f1ae4b58066568291c5c6419cddba40289b0eb49d8e4fc2c7be6cf778
CRC32 0b0f593b
Example file location ---
Filename CertEnrollUI.dll
System Windows Vista
File size 810496 bytes
Date 2009-04-11
File details
MD5 777fed68045fc30a869237a10277075f
SHA1 c6d772130f96ad8a0e06142552fcf1a8b32efd5a
SHA256 ee5dd3d568e77b24489f6c13eff517f62109db4a26d40ef14b41cf60d11a0263
CRC32 2875c370
Example file location ---