Fix cngprovider.dll Errors

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

cngprovider.dll file cngprovider DLL. 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 cngprovider.dll related errors on your device. You can also download cngprovider.dll 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 cngprovider.dll
File extension DLL
Description cngprovider DLL
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 cngprovider.dll file. cngprovider.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 cngprovider.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to cngprovider.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 cngprovider.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of cngprovider.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\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\

If the steps did not solve your cngprovider.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 cngprovider.dll
System Windows 10
File size 57344 bytes
Date 2017-03-18
File details
MD5 5f82067abe61d2ec2f69b8a081daff5e
SHA1 72bb6a4d9fbbd068be883212a6baaa0b6f84419e
SHA256 fa8b748a7e8ddd6eeeedcdd42f8f9bd0479013aa1b8d3226b36571b72466cae6
CRC32 2521b75d
Example file location C:\Windows\System32\
Filename cngprovider.dll
System Windows 8.1
File size 56320 bytes
Date 2014-11-21
File details
MD5 0c3f4fa0117b55018ff4db447bd77163
SHA1 dc1582b8bec90a1643904e4f4ed231d3e0e39b95
SHA256 8a442de2d2c3fe7201b9651fc99991058a0a3576b7005482ab94912d3641bc1c
CRC32 1b6d6608
Example file location C:\Windows\System32\
Filename cngprovider.dll
System Windows 8
File size 54784 bytes
Date 2012-07-26
File details
MD5 c094793dfea22ea84bb8f8478274fd9c
SHA1 22219c5b705f2a4d448f87dc03cef6e9dfa962d3
SHA256 5902339ccc1515eb02589fa04fd422cbe3cb770d62c885e4ccebb1015ea65432
CRC32 5fef4fb3
Example file location 1: C:\Windows\System32\
Filename cngprovider.dll
System Windows 7
File size 51200 bytes
Date -0001-11-30
File details
MD5 15081fede24a4485b9f736d241cfafff
SHA1 d6060f2bddd288ac49356bb27840711ee185007e
SHA256 2198b206bf26b889e91f02eec01e1edd0bbf321a267941ce42c1007b4d47f80d
CRC32 d22ff1d2
Example file location C:\Windows\SysWOW64\
Filename cngprovider.dll
System Windows 7
File size 57344 bytes
Date 2009-07-14
File details
MD5 4d56dbcdf4f2d774a60568da6daca043
SHA1 90b3037c2e66380e955f23710f7d6437ad8505cc
SHA256 ce5a2d62fd8b2df65f6d033f08569cde7b87734a334b0bd530a39a5823d597a5
CRC32 453d4533
Example file location C:\Windows\SysWOW64\