Troubleshoot bcrypt.dll Errors and Download File

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

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

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



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


Problems related to bcrypt.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 bcrypt.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of bcrypt.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 bcrypt.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 bcrypt.dll
System Windows 10
File size 103848 bytes
Date 2017-03-18
File details
MD5 c610499933d317194ce85b60e0bfc53a
SHA1 bb1c4b83e37a67637b13dd619daa6450876140ff
SHA256 04bb45e82b706b75534d9160344727d9c5e19bf4f5e956b9e79c06fae5318bb0
CRC32 f25536c6
Example file location C:\Windows\System32\
Filename bcrypt.dll
System Windows 8.1
File size 130592 bytes
Date 2014-11-21
File details
MD5 e8b82b42952319f4f4a9e058e9a07135
SHA1 b5dda14ed3a09d9de3288b7517b48f7dcc25ade1
SHA256 ac4d7846479075f5c0ab7016731a95aa70bb4ff4c198e95544f327255c8ea498
CRC32 d3197143
Example file location C:\Windows\System32\
Filename bcrypt.dll
System Windows 8
File size 116736 bytes
Date 2012-07-26
File details
MD5 6ab5288e6fd0abc0391bff6aedf3c3e1
SHA1 ea2b5eafa47bfc21e30b47e9a6b8a74ac06ab6f4
SHA256 52e0d85917699f28e9fae67547281a22e3a745d77441e9c00d406ae8f677778d
CRC32 462e026d
Example file location 1: C:\Windows\System32\
Filename bcrypt.dll
System Windows 7
File size 123904 bytes
Date 2009-07-14
File details
MD5 b9a95365e52f421a20e1501935fadda5
SHA1 958a7ba90043f8e3b94da849a2da8bb139fc39c9
SHA256 ddb4cb575139233efaf2c59b7e9b04af36bbccc63190181f3b2a7e6bfc86e77e
CRC32 8e1ef627
Example file location C:\Windows\System32\
Filename bcrypt.dll
System Windows 7
File size 80896 bytes
Date -0001-11-30
File details
MD5 ce71b9119a258edd0a05b37d7b0f92e3
SHA1 46f1c569ab4cf6f42c7aecff2db344f047414749
SHA256 d9310c5bbfe089b8c81e259c462ec1e6d7a7a87fa59fc1f174ed5c58d409ae7a
CRC32 413f2308
Example file location C:\Windows\System32\
Filename bcrypt.dll
System Windows Vista
File size 306688 bytes
Date 2009-04-11
File details
MD5 02ee316487bcc8f4f6017cad538365cc
SHA1 b5dec6feaa4eed5228da18fd8e5718b84f49b740
SHA256 872f48d84c5dcca8802b8ecde9da30390548e6fb856b0e674a5ba4942e3be0f8
CRC32 b716c747
Example file location ---
Filename bcrypt.dll
System Windows Vista
File size 275968 bytes
Date -0001-11-30
File details
MD5 4acf748a8e576761e4c610acab67b1bc
SHA1 f19f01d5a23501e03b90abacbfcbe12bdcac14f3
SHA256 fc30c20e3f23fbc8acab2e8a7db3775078118fea29e64341e5d5277f98560c8b
CRC32 ac7dbf24
Example file location ---