sorry about that i will was angry
so i make a fresh installation of xampp version 1.6.5
thene i enter to XAMPP directory click in (php-switch)
he open a dos window and telle you that you are on php5
chouse betwin 4 and x ....
after that i enter to phpmyadmin to make a new db i find in bottom of the page 2 message one ask to make password to your mysql root and other
Your PHP MySQL library version 3.23.49 differs from your MySQL server version 5.0.51. This may cause unpredictable behavior.
so i enter to http://localhost/security/xamppsecurity.php
for make a new pass
whene i return to make my db i enter the root and pass he show me this message
#1251 - Client does not support authentication protocol requested by server; consider upgrading MySQL client