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Process name: Bonjour for Windows Component
Application using this process: Bonjour for Windows
Recommended: Scan your system for invalid registry entries.
What is mdnsresponder.exe doing on my computer?
The process mdnsresponder.exe is a component of the Apple Service, which is identified with the Bonjour for Windows software application initially utilized by iTunes because of its music sharing functionality. The mdnsresponder.exe process is a native element of the Mac OS X operating system and is associated with the MDNSNSP.DLL, which was ported for the Microsoft Windows Operating System environment.
The Bonjour Service supported by the file mdnsresponder.exe is also described as a zero configuration networking process that provides an automatic discovery feature for services, devices, and computers that are residing on IP based networks. Mdnsresponder.exe utilizes the industry standard IP protocol, which provides devices with an automatic discovery feature without requiring user intervention (when entering IP addresses) or the need for configuring DNS servers.
Non-system processes like mdnsresponder.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.