How to Stop Skype using Port 80, IIS, Apache Web server cannot start

Hey! My IIS, Apache Web server cannot start, port 80 used by some other application..
I believe many of you might face the problem where Port 80 being used, while trying to
1) Run IIS
2) Run Apache
or
3) Xampp installation - for Xampp user, you can try to run xampp-portcheck.exe to check what application is utilising the port 80.

One of the main reason is due to the Skype utilising the port 80 as its communication channel.
So, let's stop it from using this port
Here the steps to stop Skype from using port 80.
Steps:
1) Open skype, follow the following instructions
2) Goto menu tools==> options ==> connections
3) uncheck the "use port 80 & 433" and save it.

If you don't have Skype installed, the try following steps to indentify what application is using your port 80
1) click "Start"
2) select "Run"
3) type "cmd" to open the console
4) type command
-----"netstat -n -a" for Windows 2000 users, you will be able to check whether your port 80 is being used or not.
-----"netstat -o" for Windows XP and above users, with "-o", it will show the process id - PID, and based on the pid, you will be able to identify what exactly the application is running on your port 80.

Beside, Windows firewall might be the other reason that blocking your port 80. Try to turn it off if you have not other way to tackle this issue.
Hope this help you all :)