Repair and Download das.dll Now

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

das.dll file Device Association Service. 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 das.dll related errors on your device. You can also download das.dll file compatible with Windows 10, Windows 8.1, Windows 8 devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename das.dll
File extension DLL
Description Device Association Service
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Executable application
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

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

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



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


Problems related to das.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 das.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.

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

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

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\

If the steps did not solve your das.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 das.dll
System Windows 10
File size 361984 bytes
Date 2017-03-18
File details
MD5 41b335952a488da89196abee77a2c8aa
SHA1 c567666ae69161aed4a60140096ca029a42c4fe4
SHA256 d8e10d70706f79aa21eacb4182b030ac1c055c59a84b985a2de7fb87c5d4b5cc
CRC32 299798fd
Example file location C:\Windows\System32\
Filename das.dll
System Windows 8.1
File size 312832 bytes
Date 2014-11-21
File details
MD5 5ce66243519065edee3286fbdf2fb1d0
SHA1 8f07b1386b8e6f1396e75a994de49812d3cad061
SHA256 563721fdf69dfd084b05e5e7bd7379fb1878448c670c8f45e80c626594947703
CRC32 a324e286
Example file location C:\Windows\System32\
Filename das.dll
System Windows 8
File size 261632 bytes
Date 2012-07-26
File details
MD5 e5935b79d5ae9288aeb72487e1a1b662
SHA1 d2a2abf0c01c5ee5cb39a370a83a93fc32473329
SHA256 2ded999fcc89c29649e519d7545a40925e8ad1785ef00ea6826a36b441863012
CRC32 19ed66ff
Example file location 1: C:\Windows\System32\