How to Download and Fix dot3svc.dll?

Sometimes Windows system displays error messages regarding corrupted or missing dot3svc.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 dot3svc.dll file can therefore effect in failed execution of the started process.

dot3svc.dll file Wired AutoConfig 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 dot3svc.dll related errors on your device. You can also download dot3svc.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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 Vista, Windows XP

File info

General information
Filename dot3svc.dll
File extension DLL
Description Wired AutoConfig Service
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
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 dot3svc.dll file. dot3svc.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 dot3svc.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • dot3svc.dll is corrupted
  • dot3svc.dll cannot be located
  • Runtime Error - dot3svc.dll
  • dot3svc.dll file error
  • dot3svc.dll file cannot be loaded. Module was not found
  • cannot register dot3svc.dll file:
  • dot3svc.dll file could not be loaded
  • dot3svc.dll file doesn't exist



Application could not be started because dot3svc.dll file is missing. Reinstall the application to solve the problem.


Problems related to dot3svc.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 dot3svc.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.

dot3svc.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 dot3svc.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 dot3svc.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 dot3svc.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 dot3svc.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the dot3svc.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 dot3svc.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 dot3svc.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 dot3svc.dll file

The last solution is to manually download and replace dot3svc.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 dot3svc.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of dot3svc.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 Vista: C:\Windows\System32\
  • Windows XP: ---

If the steps did not solve your dot3svc.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 dot3svc.dll
System Windows 10
File size 225280 bytes
Date 2017-03-18
File details
MD5 773b4c8d0172f5d3a4979ad14a2ef9db
SHA1 29fdffd93897a5292f45b94348f2806330741391
SHA256 d2fe03171721ac4db37d1011c8fbf28515daf6bcc295a9f116038f9ca0cb7670
CRC32 4679a50f
Example file location C:\Windows\System32\
Filename dot3svc.dll
System Windows 8.1
File size 220672 bytes
Date 2014-11-21
File details
MD5 f476411996f3acccf0299b54438bc127
SHA1 f1a835aec04fceb9bbb205cae85751e2932711b3
SHA256 6c46b3ae238b23e4d2b3374c2e405eab61b7fbb04026efb09dc5586e169d9ccd
CRC32 2e3042a1
Example file location C:\Windows\System32\
Filename dot3svc.dll
System Windows 8
File size 211968 bytes
Date 2012-07-26
File details
MD5 7f0c01e0c0bb063136df09845ffc4ce1
SHA1 b7f16a1c7b82d78fc0e66cdb931698996ecf4165
SHA256 94542591af4bced1edcf033d6617cc0a1aae592bb7acdc51ac6b26c32b9c6db2
CRC32 77d92e5f
Example file location 1: C:\Windows\System32\
Filename dot3svc.dll
System Windows 7
File size 252416 bytes
Date 2010-11-21
File details
MD5 b1fb3ddca0fdf408750d5843591afbc6
SHA1 f9a628945a89459883ada337bd580d8c10f86d24
SHA256 ab6ad9c5e7ba2e3646d0115b67c4800d1cb43b4b12716397657c7adeee807304
CRC32 9a41efd3
Example file location C:\Windows\System32\
Filename dot3svc.dll
System Windows Vista
File size 208896 bytes
Date 2009-04-11
File details
MD5 1a7156dd1e850e9914e5e991e3225b94
SHA1 1f3fe2afa6ee0de3621332829dd1dc5ef1d4103c
SHA256 99ff0c7125b01fcb0b92dc44756ae8faa486f2e7f38dc6204f7efe5918f8480a
CRC32 e7876ffd
Example file location C:\Windows\System32\
Filename dot3svc.dll
System Windows XP
File size 132096 bytes
Date 2008-04-14
File details
MD5 0f0f6e687e5e15579ef4da8dd6945814
SHA1 d40a92548dc68129a468147432de34f5c6dc2c90
SHA256 5c32d88119eb1465b2d719bee2e05888d1a73454b5e33f2d4928da710f8bfba3
CRC32 1c81ffe8
Example file location ---