Visual studio "usually, each socket address (Protocol / network address / port) can only be used once“

visual Debugging problems
Tips ：” Usually every socket address （ agreement / network address / port ） Only one use is allowed ".

Misdirection ： The communication port is occupied , Make communication impossible .

It is possible that a program has been started , Another possibility is that the port is occupied by others

Check the port usage of the launcher ：

1.netstat -aon|findstr “8086” View occupancy 8086 Port process
2.tasklist | findstr 16272
3. The task manager can kill this program