Apple’s uninstaller for older Bonjour versions is sometimes incomplete.
Open services.msc , double-click Bonjour Service . Click "Recovery" tab. Set "First failure," "Second failure," and "Subsequent failures" to "Restart the Service." Then under "General," reduce the startup delay. bonjour 3.1.0.1 for windows
: It utilizes UDP port 5353 to broadcast and listen for service advertisements on the local subnet. " "Second failure