Download and Fix atl.dll

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

atl.dll file ATL Module for Windows XP (Unicode). 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 atl.dll related errors on your device. You can also download atl.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP 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 7, Windows Vista, Windows Vista, Windows XP

File info

General information
Filename atl.dll
File extension DLL
Description ATL Module for Windows XP (Unicode)
Program Microsoft (R) Visual C++
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Win32
Copyrights Copyright © Microsoft Corp.
Character set Unicode
Language cod English (U.S.)

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

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



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


Problems related to atl.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 atl.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.

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

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

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---

If the steps did not solve your atl.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 atl.dll
System Windows 10
File size 81408 bytes
Date 2017-03-18
File details
MD5 6246592bcc105d9c48f5fef5150516aa
SHA1 679be34170a9a741504e5cecbed6a29953eb252b
SHA256 cc9311db6375cd554d1be361a889781596b3c9724f2c31a2cb963a160a54b9df
CRC32 2cc23b7e
Example file location C:\Windows\System32\
Filename atl.dll
System Windows 8.1
File size 87552 bytes
Date 2014-11-21
File details
MD5 6d732b796501d1a09faa61fca4659990
SHA1 15db2848c105ed300845102a72ac106ddb61a79e
SHA256 424bebfb83e626666a10e39b593c8fd5b1629d0ffd3b9de0fc0154b0fe3ab1f2
CRC32 4177d03a
Example file location C:\Windows\System32\
Filename atl.dll
System Windows 8
File size 82944 bytes
Date 2012-07-26
File details
MD5 916a341c23c8a1d7cb2d338cbd95d41f
SHA1 b17e0b3069859b4c11a38f7f576d6854758cbc12
SHA256 98dc223f630cd26a348aede8b1f0bd181878aa519a28b9e061a0aff62ec81863
CRC32 b09f99e4
Example file location 1: C:\Windows\System32\
Filename atl.dll
System Windows 7
File size 90624 bytes
Date 2009-07-14
File details
MD5 58775492ffd419248b08325e583c527f
SHA1 b0e9ca05d46cb53049c4ca33fe04bd08989a78f9
SHA256 dbb013971f5894f25c222c2d4d50a29db6df3c413792ee9ccc1a9e6d85469093
CRC32 e9885121
Example file location C:\Windows\System32\
Filename atl.dll
System Windows 7
File size 70144 bytes
Date -0001-11-30
File details
MD5 f10e5311e5093fa3c00ff88c54c32fca
SHA1 976eb9973aab2b629cee324be5aed48f8d352ee2
SHA256 b557f5b00d77f030850d9aac0ffefc4c2a759ec4081c8459c9deae51baaacc65
CRC32 61e3c1fb
Example file location C:\Windows\System32\
Filename atl.dll
System Windows Vista
File size 71680 bytes
Date -0001-11-30
File details
MD5 e3fad509fef3d6cfc524aedae54b7e16
SHA1 77d424b1c12986fcce02897b3b5b00f9192dcd6c
SHA256 5ec4b305ab6c3260bd94b50e99db5e7d0a003a6714ebc88c8526ad4c4db823f4
CRC32 dd204a85
Example file location ---
Filename atl.dll
System Windows Vista
File size 87552 bytes
Date 2008-01-21
File details
MD5 f9d13accdd384c4fedbc09dbc4a90b76
SHA1 7a51d6341c178818703102befb4752c44813fe2c
SHA256 9584fdfe68da5b144ae5ccc83e29eb71bab19ee964cbc56a601c7a3efb51b292
CRC32 0295defd
Example file location ---
Filename atl.dll
System Windows XP
File size 58880 bytes
Date 2008-04-14
File details
MD5 14ee0e012e7298fc1448a88e9fe53322
SHA1 59cb82f432d529da3e81b030b2365c22a95fd35a
SHA256 0ab20f45ad6c44bc56e3313e351ae7d7375083f5b95b882017fe53388ef7b0b9
CRC32 3a2e2f00
Example file location ---