I provided the hyperlink of screenshot from the image to ensure that you can observe the mistake message:

http://i.imgur.com/A3zGY.png

Do not state that I ought to restart the xampp, to get things i need.

I want the precise reason(answer) why the mistake has been desplayed.

Do this:

  1. Right click your pc
  2. Choose Manage
  3. Choose Services And Programs
  4. Under services try to look for Apache2.2 and right click and select stop