Download and Fix dnsrslvr.dll

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

dnsrslvr.dll file DNS Caching Resolver 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 dnsrslvr.dll related errors on your device. You can also download dnsrslvr.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 dnsrslvr.dll
File extension DLL
Description DNS Caching Resolver 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 dnsrslvr.dll file. dnsrslvr.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 dnsrslvr.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to dnsrslvr.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 dnsrslvr.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of dnsrslvr.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 dnsrslvr.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 dnsrslvr.dll
System Windows 10
File size 212992 bytes
Date 2017-03-18
File details
MD5 60f11d3fa73bce885db0f3c007d8ed1f
SHA1 df8c6ab2b3caee0212ebd0778b68429171d5bb97
SHA256 108e35b70eed91da77cff54aeefb5b42745046ab2af3eb5af3afd09313f541bf
CRC32 56a63da8
Example file location C:\Windows\System32\
Filename dnsrslvr.dll
System Windows 8.1
File size 187904 bytes
Date 2014-11-21
File details
MD5 dbedfc5dc656e491a56119c6fc2b7733
SHA1 2d734462cf618fbb7e450fa60a54e00c2da77080
SHA256 a5d1e9cdbf603d54db0ca70366fa202bbe79fe23ee52542ced5d8d5ed41fa332
CRC32 5f7db8cd
Example file location C:\Windows\System32\
Filename dnsrslvr.dll
System Windows 8
File size 160768 bytes
Date 2012-07-26
File details
MD5 1626a054ae163343b80c8eeca51fdb26
SHA1 b813c5b02b02e589499ce5f92a2506c0aefe8d94
SHA256 26426e6bf91b1877e10f1a5b58c3b1cf244e3cfdfd4c3a0f379141db1796e266
CRC32 b6ad8bc6
Example file location 1: C:\Windows\System32\
Filename dnsrslvr.dll
System Windows 7
File size 183296 bytes
Date 2010-11-21
File details
MD5 cd55f5355d8f55d44c9f4ed875705bd6
SHA1 c26e72fe3b9209018cec8b3a76a94582934ab2c2
SHA256 321c26e3cd9f376d30f05fbdf00e96399512ed705d867e8b14793d9ce69a1c1f
CRC32 eb0a6ee6
Example file location C:\Windows\System32\
Filename dnsrslvr.dll
System Windows Vista
File size 117760 bytes
Date 2009-04-11
File details
MD5 21d16b37257370975c7457c3a5efa530
SHA1 a5eeed4dd05be6171cff2e8e46bb815b52a991c0
SHA256 2322deefbd5bc14685a41e9600d23715fefc6fcc2412c7e219cee8501509932c
CRC32 6c6ae60b
Example file location C:\Windows\System32\
Filename dnsrslvr.dll
System Windows XP
File size 45568 bytes
Date 2008-04-14
File details
MD5 474b4dc3983173e4b4c9740b0dac98a6
SHA1 2e2f3d37181966e4be410340fc1a34d57a453642
SHA256 c0b1b5b3a87529ffa93bcfcc2bc013a96cad7f5049ed4d999e8d5d9ac91f95b7
CRC32 383b0213
Example file location ---