Download QOS.adml to Fix Errors

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

QOS.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 QOS.adml related errors on your device. You can also download QOS.adml file compatible with Windows 10, Windows 7, Windows 8.1, Windows 8, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 7, Windows 8.1, Windows 8, Windows Vista

File info

General information
Filename QOS.adml
File extension ADML
Type System
Description Group Policy Language-Specific Administrative Template
Software
Program Windows 10
Software Windows
Author Microsoft
Software version 10
Details
File size 22100
Oldest file 2006-11-02
MIME type application/xml
QOS.adml

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

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

QOS.adml

Error

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

OK

Problems related to QOS.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 QOS.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.

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

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

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

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

If the steps did not solve your QOS.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 QOS.adml
System Windows 10
File size 22100 bytes
Date 2012-07-26
File details
MD5 5a29bfd51f48a0377276834f0b8baf80
SHA1 e1f484c1462470950e95adc7d7e4fc1a6fa273b6
SHA256 39b7a57e44813affef1380fc4a2ce929edaaab031b457c50381a76996fd6b654
CRC32 2e7c1721
Example file location C:\Windows\PolicyDefinitions\en-US\
Filename QOS.adml
System Windows 7
File size 22100 bytes
Date 2011-04-12
File details
MD5 cc10a515b30e0c30d4b2c62b7e5f761d
SHA1 3fac2930292027d6906466ca90af3de6de278b85
SHA256 a1b32a1d90ed5abfce4f3775a2d5efd62c99190fdbdcf193f96f06b9c64a8478
CRC32 9b77c210
Example file location C:\Windows\PolicyDefinitions\en-US\
Filename QOS.adml
System Windows 8.1
File size 22100 bytes
Date 2012-07-26
File details
MD5 5a29bfd51f48a0377276834f0b8baf80
SHA1 e1f484c1462470950e95adc7d7e4fc1a6fa273b6
SHA256 39b7a57e44813affef1380fc4a2ce929edaaab031b457c50381a76996fd6b654
CRC32 2e7c1721
Example file location ---
Filename QOS.adml
System Windows 8
File size 22100 bytes
Date 2012-07-26
File details
MD5 5a29bfd51f48a0377276834f0b8baf80
SHA1 e1f484c1462470950e95adc7d7e4fc1a6fa273b6
SHA256 39b7a57e44813affef1380fc4a2ce929edaaab031b457c50381a76996fd6b654
CRC32 2e7c1721
Example file location ---
Filename QOS.adml
System Windows Vista
File size 22100 bytes
Date 2011-04-12
File details
MD5 cc10a515b30e0c30d4b2c62b7e5f761d
SHA1 3fac2930292027d6906466ca90af3de6de278b85
SHA256 a1b32a1d90ed5abfce4f3775a2d5efd62c99190fdbdcf193f96f06b9c64a8478
CRC32 9b77c210
Example file location ---