Thank you Eric,
I be able to open Xampp control panel( Mysql and Apache).
DW show LOCAL, REMOTE, TESTING SERVER FILES.
but i don't understand these" Local root folder" i have to put folder " Xampp/htdoc"???
LOCAL ROOT FOLDER---C:\xampp\htdoc\Itnet21
Testing server folder---c:\xampp\htdocs\Itnet21
Please be patient and help me...thanks