File Name: mDNSResponder.dll
Bit: 64
Latest version:
Size: 0.45 MB
Language: U.S. English
Description: Bonjour Service
Company: Apple Inc.

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Download mdnsresponder.dll file for Windows 7, Windows 8, Windows 10 and fix mdnsresponder.dll is missing or not found dll error. The latest version of mdnsresponder.dll file is v3.0.0.10 which is a 64 with a file size of approximately 0.45 MB. Apple Inc. is the developer of mdnsresponder.dll and the file belongs to Bonjour Service.

What is mdnsresponder.dll ?

DLL stands for Dynamic Link Library. mdnsresponder.dll is a file that contains code, resources and data that other programs can use. Thus, Dlls provide a way to modularize applications so that their functionality can be updated and reused by other applications. Dll's also help to reduce application size and memory footprint since many applications can share the same code contained in a single Dll file such as mdnsresponder.dll.

How to fix mdnsresponder.dll error?

If you are here because your seeing mdnsresponder.dll errors in your Windows such as :

  • mdnsresponder.dll not found
  • mdnsresponder.dll is missing
  • Failed to load mdnsresponder.dll
  • or any other similar dll error

There are number of ways to fix mdnsresponder.dll errors. Below you will find 2 such ways:

How to install mdnsresponder.dll file?

Where do I put mdnsresponder.dll file? Download mdnsresponder.dll and copy it to the application’s installation folder.

Make sure to download mdnsresponder.dll 32-bit file for 32-bit Windows operating system and mdnsresponder.dll 64-bit file for 64-bit Windows operating system if they are available. Most new Windows systems would probably be a 64-bit one. You can check to see if your computer is running a 32-bit or a 64-bit version of Windows by doing:

Windows 10 and Windows 8.1
  • Select the Start button, then select Settings > System > About.
  • At the right, under Device specifications, see System type.
Windows 7
  • Select the Start button , right-click Computer, and then select Properties.
  • Under System, see the system type.

After you are done with above installation instructions, try restarting the application throwing mdnsresponder.dll is missing error.

If that doesn’t fix the error, copy the mdnsresponder.dll to the systems directory. This can vary between Windows OS versions. Check out the systems directory path for different Windows versions below:

  • C:\Windows\System (For Windows 95, 98, Me)
  • C:\WINNT\System32 (For Windows NT/2000)
  • C:\Windows\System32 (For Windows 7, Windows 8, Windows 10)

Restart your Windows and see if the error is fixed.

How to register mdnsresponder.dll file?

If the error persists, try to register the mdnsresponder.dll in Windows registry. This can be done by using the “REGSVR32” command prompt and giving the dll file mdnsresponder.dll.

  • Windows > Click Start > Run
  • REGSVR32 mdnsresponder.dll

Make sure you run the command as administrator from the Run Box.

Once you are done registering the mdnsresponder.dll in the Windows system’s registry, you should be good to go. Restart your Windows once again and mdnsresponder.dll missing error should be fix.

Clicking on 'Download mdnsresponder.dll' button below will take you to the download page where you will see list of mdnsresponder.dll versions with bit, file size and other details of of the file. It is recommended to download the latest version of mdnsresponder.dll to fix dll errors which is v3.0.0.10.

Download mdnsresponder.dll