Q:

can't install XDEBUG on windows?

my php version is PHP Version 5.3.6. 
Xdebug setting in php.ini:
[Xdebug]

 zend_extension_ts="D:\php\ext\php_xdebug-2.1.2.dll"
xdebug.remote_enable=1

;IP
xdebug.remote_host=127.0.0.1
xdebug.remote_port=9000
xdebug.remote_handler=dbgp
xdebug.auto_trace = On
xdebug.show_exception_trace = On
xdebug.remote_autostart = On
xdebug.collect_vars = On
xdebug.collect_return = On
xdebug.collect_params = On

i have installed PHP 5.3 VC6 (32 bit)/ PHP 5.3 VC9 (32 bit). they are both failed.
when typed "php --ini" on cmd . it shows:

A:

in order to find the correct binary to use, please follow the instructions at http://xdebug.org/find-binary.php
cheers,
Derick

