Currently Being ModeratedMay 6, 2013 11:15 AM (in response to Okram21)
Bonjour is a program that was most likely installed with iTunes, and it is recommended that you keep it installed. For more information, you can refer to the following resource:
Bonjour: Frequently asked questions (FAQ)
iTunes uses Bonjour to find shared music libraries, to find AirPort Express devices for streaming music to, and to find Apple TVs.