how to get control off port already in use code example

Example 1: port already in use windows 10

netstat -ano | findstr :3001
taskkill /PID <yourid> /F

Example 2: cancel ng server port

Using your terminal, find the PID of port 4200
netstat -ano | findstr :4200

Kill task by the PID Number (Replace 15940)
taskkill /PID 15940 /F