Hi samiam8939,
I have an article for you which may help you troubleshoot this Bonjour issue:
iTunes for Windows: Bonjour alert due to firewall, security, or proxy software
http://support.apple.com/kb/TS3448
You may also find the information in this article helpful to you:
Bonjour for Windows: How to tell if it successfully installed
http://support.apple.com/kb/HT2703
If you have tried to uninstall iTunes, I would highly suggest that you look at the instructions in the following article as well, since any uninstallation of iTunes requires the uninstallation of iTunes’ related components:
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8
http://support.apple.com/kb/HT1923
Thanks for coming to the Apple Support Communities!
Regards,
Braden