How to Download and Fix Logon.adml?

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

Logon.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 Logon.adml related errors on your device. You can also download Logon.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 Logon.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 16133
Oldest file 2006-11-02
MIME type application/xml

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

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



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


Problems related to Logon.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 Logon.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of Logon.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 Logon.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 Logon.adml
System Windows 10
File size 16133 bytes
Date 2017-03-18
File details
MD5 3a24a5274ffc24ec5907bf1b395000a0
SHA1 848ce1e1a4f395becfdcb8d8baabed2472455f9c
SHA256 60408edc39764fb51d1a14610eb8f0bdbd5dc46088f1038a61cc7b6e70ecb721
CRC32 af4b7ef4
Example file location C:\Windows\PolicyDefinitions\en-US\
Filename Logon.adml
System Windows 8.1
File size 16832 bytes
Date 2014-11-21
File details
MD5 7deb6528b7bf721da0bc53b65116e4b2
SHA1 999291b1970366d2256b0081ebe8420e6519d13e
SHA256 cff8bfad325c4f3be418a491d37bb367e126f24ee22fa39c809c83aed6c07033
CRC32 1228c3e7
Example file location C:\Windows\PolicyDefinitions\en-US\
Filename Logon.adml
System Windows 8
File size 15726 bytes
Date 2012-07-26
File details
MD5 f2d9a148c710e6ed27ae5f2e9bc62c41
SHA1 d89dc5ce40be152681b4f6a7cde9ee5e7077f750
SHA256 5b3d74c7d7a32a40a38591c6a9ed5303f054de3be40efd882245cb8d01f528c8
CRC32 8f1b7018
Example file location 1: C:\Windows\PolicyDefinitions\en-US\
Filename Logon.adml
System Windows 7
File size 11710 bytes
Date -0001-11-30
File details
MD5 45bd47ec663dba47ab2a3ff3002b878d
SHA1 b2bbf466eaaf0526e5a1c7c1ff708c17ebe5fec6
SHA256 2d8732ebfe6054c098bfbb718eb4586adaa8eff36d177009899b6bf898994df9
CRC32 7df6f77d
Example file location C:\Windows\PolicyDefinitions\en-US\
Filename Logon.adml
System Windows Vista
File size 9704 bytes
Date -0001-11-30
File details
MD5 6070ee74a4ce012ebb10faa5f2c19cd2
SHA1 1e5864305d671bb908b590561d1d904d85d887da
SHA256 5ce1763d13acaba6ac2453bcc44a2f88e3d1925be51f3ddfbf5143547ca38f53
CRC32 fd3d0b08
Example file location C:\Windows\PolicyDefinitions\en-US\