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pku2u.dll Informations - Download and Fix

Sometimes Windows system displays error messages regarding corrupted or missing pku2u.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 pku2u.dll file can therefore effect in failed execution of the started process.

pku2u.dll file Pku2u Security Package. 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 pku2u.dll related errors on your device. You can also download pku2u.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 pku2u.dll
File extension DLL
Description Pku2u Security Package
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
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.)
pku2u.dll

There are various types of errors related to pku2u.dll file. pku2u.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 pku2u.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • pku2u.dll is corrupted
  • pku2u.dll cannot be located
  • Runtime Error - pku2u.dll
  • pku2u.dll file error
  • pku2u.dll file cannot be loaded. Module was not found
  • cannot register pku2u.dll file:
  • pku2u.dll file could not be loaded
  • pku2u.dll file doesn't exist

pku2u.dll

Error

Application could not be started because pku2u.dll file is missing. Reinstall the application to solve the problem.

OK

Problems related to pku2u.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 pku2u.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.

pku2u.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 pku2u.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 pku2u.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 pku2u.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 pku2u.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the pku2u.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 pku2u.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 pku2u.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 pku2u.dll file

The last solution is to manually download and replace pku2u.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 pku2u.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of pku2u.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 pku2u.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 pku2u.dll
System Windows 10
File size 193024 bytes
Date 2017-03-18
File details
MD5 b83ac5e26f4d7bf1dc264631c013af2e
SHA1 4e3055e05d1ba4bd27f34a846dbe1d6c1b7210d3
SHA256 818a4dc5c153906004637443829508af2d4f02724261fbdf5f32b59f6b16b833
CRC32 cb17a949
Example file location C:\Windows\System32\
Filename pku2u.dll
System Windows 8.1
File size 202240 bytes
Date 2013-08-22
File details
MD5 58aa7e935b53d680d40592893963c045
SHA1 fbc0bad44887afed02872d0aace5a9167be3caae
SHA256 903b13bf10a84d87c6b67a0be8883afdab5a0586ea8cfb1b469313e9171de7b8
CRC32 1f20e79e
Example file location C:\Windows\System32\
Filename pku2u.dll
System Windows 8
File size 187904 bytes
Date 2012-07-26
File details
MD5 6040af051826985230a8ef60006ad970
SHA1 339a9cd99ee7c840af01dac4e396ca3b1bfd3b43
SHA256 58dfbca833ec1135f2a763f600272ed9f5e2d018ea1707b5c38a42ea0312d840
CRC32 2e66e428
Example file location 1: C:\Windows\System32\
Filename pku2u.dll
System Windows 7
File size 186880 bytes
Date -0001-11-30
File details
MD5 37cc990d4e2cdfae12ac47f6b620fc13
SHA1 864cc2ae936ec54b7eff329410e0b84df0bac53b
SHA256 d07e6ef4eed10aca21a41a739147e54cc435eaf952cd0ca1f2e3cb2d83cec831
CRC32 3e162535
Example file location C:\Windows\SysWOW64\
Filename pku2u.dll
System Windows 7
File size 240640 bytes
Date 2009-07-14
File details
MD5 e08088a97f95345e181c3dfce2c615ef
SHA1 a0af835994aa9f220e4409ccd939ec6938d0e15d
SHA256 def3b087df5e10e4f8418029db6e82546e62fefa39694b7bd6a48ce8aafd1b96
CRC32 8b1120a2
Example file location C:\Windows\SysWOW64\