Hi All, I usually able to install curl extention on my win server 2003. But, there are 1 server that give me issue. I have already do the steps to install it. i have add the php_curl.dll on the extenson dir, add other dll to system32, and reconfigure the php.ini. Just like the other server of mine (which I installed curl without any problem). Does anybody have any idea what cause this? and how to solve it? You guys help , ideas and comment is very appreciated. I'm going to frustated Thanks All. note: I'm using PHP 4.4.2, winserver 2003 SP1 Best Regards, -Andy J-