Fix dnslookup.dll Errors

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

dnslookup.dll file Dynamic Link Library. 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 dnslookup.dll related errors on your device. You can also download dnslookup.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 dnslookup.dll
File extension DLL
Type Dynamic Link Library
Description Dynamic Link Library
Program Microsoft (R) Windows (R) Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Win32
Copyrights Copyright (c) Microsoft Corporation. All rights reserved.
Character set Unicode

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

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



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


Problems related to dnslookup.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 dnslookup.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.

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

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

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

  • Windows 10: C:\Windows\System32\WindowsPowerShell\v1.0\Modules\DnsClient\
  • Windows 8.1: C:\Windows\System32\WindowsPowerShell\v1.0\Modules\DnsClient\
  • Windows 8: 1: C:\Windows\System32\WindowsPowerShell\v1.0\Modules\DnsClient\

If the steps did not solve your dnslookup.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 dnslookup.dll
System Windows 10
File size 39424 bytes
Date 2017-03-18
File details
MD5 70346d940ce7fc339b7e2ff15cb50ec4
SHA1 0586f58236b8ce4a83f35f72dcb488eebe5ebf4d
SHA256 7489fbf6fe9e9391098fd8bac9c9426c7a021d91c82c87f4f2a569c59ddfea20
CRC32 1c0f8575
Example file location C:\Windows\System32\WindowsPowerShell\v1.0\Modules\DnsClient\
Filename dnslookup.dll
System Windows 8.1
File size 40960 bytes
Date 2013-08-22
File details
MD5 ff55a8e6affdc7530fe8f1817cd0a0d2
SHA1 296b5a035c667b07be86162709647d714c434849
SHA256 912f37f3edea030c9ca073fc267acae248c7b99e777ea3181bb159b3f8803aa0
CRC32 842a15c8
Example file location C:\Windows\System32\WindowsPowerShell\v1.0\Modules\DnsClient\
Filename dnslookup.dll
System Windows 8
File size 40960 bytes
Date 2012-07-25
File details
MD5 7f605a2c374fb2177859d652c6d397d3
SHA1 f45280236ad7d88c90b99f650208c2da8dde8e80
SHA256 56e9914ebc00370339dfdacbec2f3e74af407e4e328f5ef1a9b98f3c8348ef40
CRC32 9e22aa17
Example file location 1: C:\Windows\System32\WindowsPowerShell\v1.0\Modules\DnsClient\