Category Archives: Software

Completly Uninstall and Remove Bonjour Service and Files (mDNSResponder.exe, mdnsNSP.dll) for Windows

Bonjour LogoBonjour, also known as zero-configuration networking, enables automatic discovery of computers, devices, and services on IP networks. Bonjour uses industry standard IP protocols to allow devices to automatically discover each other without the need to enter IP addresses or configure DNS servers.

If you’ve installed software such as iTunes by Apple, the chances are there’s already a Bonjour folder in your Program Files. This service starts automatically and runs a process named mDNSResponder.exe which cannot be killed by Windows Task Manager. If you do not want Bonjour to be on your computer and want to uninstall it, sometimes you can’t find any uninstaller for it! Even if you go to Control Panel’s Add or Remove Program, you can’t find the uninstaller there as well.

Here’s how to safely uninstall and remove the Bonjour service and files (mDNSResponder.exe and mdnsNSP.dll). Just follow the few simple steps below to remove Bonjour from your computer.

Update 2013/12/31: Newer versions of Bonjour can just be uninstalled from “Programs and Features” (Add/remove programs). However, each time you update iTunes you have to remove it again.
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