How to Download and Fix AppCompat.adml?

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

AppCompat.adml file Group Policy Language-Specific Administrative Template. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of AppCompat.adml related errors on your device. You can also download AppCompat.adml file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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 Vista

File info

General information
Filename AppCompat.adml
File extension ADML
Type System
Description Group Policy Language-Specific Administrative Template
Program Windows 10
Software Windows
Author Microsoft
Software version 10
File size 10118
Oldest file 2006-11-02
MIME type application/xml

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

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



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


Problems related to AppCompat.adml 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 AppCompat.adml 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.

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

The last solution is to manually download and replace AppCompat.adml 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 AppCompat.adml file.

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

  • Windows 10: C:\Windows\PolicyDefinitions\en-US\
  • Windows 8.1: C:\Windows\PolicyDefinitions\en-US\
  • Windows 8: 1: C:\Windows\PolicyDefinitions\en-US\
  • Windows 7: C:\Windows\PolicyDefinitions\en-US\
  • Windows Vista: C:\Windows\PolicyDefinitions\en-US\

If the steps did not solve your AppCompat.adml 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 AppCompat.adml
System Windows 10
File size 10118 bytes
Date 2017-03-18
File details
MD5 10234083de8c16fde95d91dffc26b499
SHA1 5d2aa9e3588b35605af0007f2f5aa945599621ae
SHA256 6dd55fdc1716558cfc5681230d6b2495cff0925b97c70e48b3c70c6e97c7b8d4
CRC32 59c45682
Example file location C:\Windows\PolicyDefinitions\en-US\
Filename AppCompat.adml
System Windows 8.1
File size 10119 bytes
Date 2014-11-21
File details
MD5 93c28840d18ed15af63308926f5aac66
SHA1 5ed7a8056f1e8a68fea17c6ef81b695df8a3ea70
SHA256 0ac43a8df0e8795968c0f9b6ecc6fbf620b761c128545ad689eec5dff21f5f1d
CRC32 9909e23e
Example file location C:\Windows\PolicyDefinitions\en-US\
Filename AppCompat.adml
System Windows 8
File size 10117 bytes
Date 2012-07-26
File details
MD5 92d77f8a67917e22d41c1104a8a0ec01
SHA1 0cb9029bcb98105e33580e6b579e212e825383aa
SHA256 86af0b80ff1d9556eece3e82d42b7969ade571ba259e83974a8593b36bac2c37
CRC32 c968e005
Example file location 1: C:\Windows\PolicyDefinitions\en-US\
Filename AppCompat.adml
System Windows 7
File size 11583 bytes
Date -0001-11-30
File details
MD5 7ea8a3c868541970ede5dd0d07c84a8b
SHA1 9846363138eb1caa362995f19f94b7266ba64764
SHA256 aceb4ddec3392092b05df14be6b04e8a549416952b31338a423fa4bee5732ca4
CRC32 4cc8abd3
Example file location C:\Windows\PolicyDefinitions\en-US\
Filename AppCompat.adml
System Windows Vista
File size 8333 bytes
Date -0001-11-30
File details
MD5 465186c56eff27cc02c5550bdde4dd35
SHA1 6cb2370dc036aefdf3357cd7b2e87abf88d56299
SHA256 429d60d9be72a4186c5bbd97f35ff4646eabd7a05fa1aa3bea20e876c2623183
CRC32 e64ed104
Example file location C:\Windows\PolicyDefinitions\en-US\