Look at the CLI output of:> netstat -ano| findstr -i 80 you will we see: SYSTEM (PID 4) is LISTENING on Port 80. (the World Wide Web Publishing service starts as PID 4 by default) Services which faile...Look at the CLI output of:> netstat -ano| findstr -i 80 you will we see: SYSTEM (PID 4) is LISTENING on Port 80. (the World Wide Web Publishing service starts as PID 4 by default) Services which failed to start: service jboss.undertow.listener.default: org.jboss.msc.service.StartException in service jboss.undertow.listener.default: Could not start http listener.