Repair and Download aepdu.dll Now

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

aepdu.dll file Program Compatibility Data Updater. 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 aepdu.dll related errors on your device. You can also download aepdu.dll file compatible with Windows 8.1, Windows 8, Windows 7 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 8.1, Windows 8, Windows 7

File info

General information
Filename aepdu.dll
File extension DLL
Description Program Compatibility Data Updater
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 aepdu.dll file. aepdu.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 aepdu.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to aepdu.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 aepdu.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.

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

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

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

  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\

If the steps did not solve your aepdu.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 aepdu.dll
System Windows 8.1
File size 587264 bytes
Date 2014-11-21
File details
MD5 8bdb1dbb630ca3181fd16f804fed26a4
SHA1 57f761c80574d5c39b1acebc20099e1eca45d069
SHA256 1c81500e53f828ec4a3f02ff91740105f67e3643171f45a2d0a637895ce263ef
CRC32 aa1fba10
Example file location C:\Windows\System32\
Filename aepdu.dll
System Windows 8
File size 529408 bytes
Date 2012-07-26
File details
MD5 57beba67926634f4931eeca9f6f35b6d
SHA1 08b37d0c1a9814dc88d1303df22374d8b0269bb9
SHA256 8eb87467d6a1ec8cc80bee36809dde09f167432c66e9751e5f392a2ff248a1cb
CRC32 8f56d091
Example file location 1: C:\Windows\System32\
Filename aepdu.dll
System Windows 7
File size 412160 bytes
Date 2010-11-21
File details
MD5 af84c72ee2e49da2b13ef30daba5b5cc
SHA1 e4d47ae19f60f0b0b3030add85f2b213d36f8b84
SHA256 f33fc22c7b66d532808fe21e752a43df0e30c1b85e0fce31b4666eed0ba1a5f4
CRC32 254ac7d7
Example file location C:\Windows\System32\