on W2K server

i've read all about documentation php -sapi module- on apache2 but i couldn't take result of any success ... i've disabled IIS .... want to use apache2 instead of it .... i've downloaded apache2.036 , 2.0.39 , 2.0.40 & php 4.2.1 , 4.2.2 i've tried all compositions of them above .... but nothing .... only the error like this The Apache service named reported the following error: >>> Cannot load C:/PHP/php4apache2.dll into server: The specified module could not be found >>> Cannot load C:/PHP/php4apache.dll into server: The specified module could not be found >>> (even i've tried php4apache.dll) pls help me ....