If you want to close port -9090 or close port 8080, you will know it at a glance. There are picture tutorials.

If you want to close port -9090 or close port 8080, you will know it at a glance. There are picture tutorials.

1. First type on the keyboard: windows+r, then enter cmdto open the command window (that is, the one below)

2. If it is a Windows system, enter netstat -ano | findstr :90909090 in this window according to the port you need to close.

3. Then continue to enter taskkill /f /pid 1853218532 here according to the changes you found. After executing this command, it will end, and then the port will be closed.