Fix AppxUpgradeMigrationPlugin.dll Errors

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

AppxUpgradeMigrationPlugin.dll file Appx Upgrade Migration Plugin. 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 AppxUpgradeMigrationPlugin.dll related errors on your device. You can also download AppxUpgradeMigrationPlugin.dll file compatible with Windows 10, Windows 8.1 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1

File info

General information
Filename AppxUpgradeMigrationPlugin.dll
File extension DLL
Description Appx Upgrade Migration Plugin
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 AppxUpgradeMigrationPlugin.dll file. AppxUpgradeMigrationPlugin.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 AppxUpgradeMigrationPlugin.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to AppxUpgradeMigrationPlugin.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 AppxUpgradeMigrationPlugin.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.

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

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

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

  • Windows 10: C:\Windows\System32\migration\
  • Windows 8.1: C:\Windows\System32\migration\

If the steps did not solve your AppxUpgradeMigrationPlugin.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 AppxUpgradeMigrationPlugin.dll
System Windows 10
File size 254368 bytes
Date 2017-03-18
File details
MD5 79be05b950ebee50013cdbba742a4b3e
SHA1 87262aee2a83e500c41f4a41d6be1eb49ea0dd99
SHA256 e961362c5e6d1752d49569b1f9f5d099959637ba3dfaeb2007ddee53d88be550
CRC32 ea68996f
Example file location C:\Windows\System32\migration\
Filename AppxUpgradeMigrationPlugin.dll
System Windows 8.1
File size 158720 bytes
Date 2014-11-21
File details
MD5 56a1548642f491e2e37c76d1762309f7
SHA1 5d7abd935f1b246551e8ca19d018860ca5fc8536
SHA256 d640646392508d899315550feb75b2f79dea2ccdb59db7853e4bd5291ff1e7e7
CRC32 ba300d6e
Example file location C:\Windows\System32\migration\