Fahad - 2012-03-08

Hello guys im a real newbie with EE and hI have a problem, ive read some topics in this forum but no one of these was able to help me.

My problem is when i click on debug than appears an error which says "You must find an interpreter before runing PHP
i have a xampp webserver .

pls help me and if u need some more information then leave a comment here pls.