SHELL

port 80 in use by "unable to open process" with pid 4!

Run CMD as Administrator

net stop was /y

Restart apache with XAMPP

problem detected port 80 in use by unable to open process with pid 4

Open CMD as administrator and run
net stop was /y
Restart Apache server

Port 80 in use by "Unable to open process"

net stop was /y

Port 80 in use by "Unable to open process"

//This Error is somthing like this  

Problem detected!
9:52:52 PM  [Apache] 	Port 80 in use by "Unable to open process" with PID 4!
9:52:52 PM  [Apache] 	Apache WILL NOT start without the configured ports free!
9:52:52 PM  [Apache] 	You need to uninstall/disable/reconfigure the blocking application
9:52:52 PM  [Apache] 	or reconfigure Apache and the Control Panel to listen on a different port

//How to fix this Error
//1:in side Apache choose (config) then click on Apache(httpd.conf) and search for number(80) change 80 to 8080 or 8081 then save the file
//2:in side Apache again choose (config) then click on Apache(httpd.ssl.conf) and search for number (443) change the all number 443 to 4433
//3:now stop Apache and mysql and restart it again 
//4:now search in your browser like this, http://localhost:8080/laravelEcommerce
//now you can see everything in htdocs folder is working