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Prompt that port 80 of the program is occupied
http://www.cnblogs.com/hurry-up/p/6599196.html
Look at this
Check the process, find port 80, and close it.
It is occupied. For windows, it is usually because iis is turned on. Just close iis.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
http://www.cnblogs.com/hurry-up/p/6599196.html
Look at this
Check the process, find port 80, and close it.
It is occupied. For windows, it is usually because iis is turned on. Just close iis.