AppXDeploymentExtensions.dll Informations - Download and Fix

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

AppXDeploymentExtensions.dll file AppX Deployment Extensions 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 AppXDeploymentExtensions.dll related errors on your device. You can also download AppXDeploymentExtensions.dll file compatible with Windows 8.1, Windows 8 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 8.1, Windows 8

File info

General information
Filename AppXDeploymentExtensions.dll
File extension DLL
Description AppX Deployment Extensions 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.)
Fix File Errors

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

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



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


Problems related to AppXDeploymentExtensions.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 AppXDeploymentExtensions.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.

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

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

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

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

If the steps did not solve your AppXDeploymentExtensions.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 AppXDeploymentExtensions.dll
System Windows 8.1
File size 768512 bytes
Date 2014-11-21
File details
MD5 1e5ea141bc497f19f8b53f11a4683a66
SHA1 4edc35c1624b8ff2413d84ad9a91cc9362aa1421
SHA256 961302cefd45f16efa5384461f18907ad1a414ab04b3fb5d2b28dabc154c99af
CRC32 fc5dba50
Example file location C:\Windows\System32\
Filename AppXDeploymentExtensions.dll
System Windows 8
File size 554496 bytes
Date 2012-07-26
File details
MD5 14f11edd1d550f564220ba7842b1a117
SHA1 eb3202327dc323257b6b60fd9b6b9989eb0bd480
SHA256 3246a2b1f17f1da1bdc86b3a59792bacacd8c5b6f047ffa9774cb230fcf53c49
CRC32 57fd61a4
Example file location 1: C:\Windows\System32\