PHP4 and Apache

I started out using PHP5 with Apache and some portals and had nothing but problems. The problems went away when I switched back to PHP4. However, I cannot get Apache to find the PHP4 extension path. Environment =========== Win XP Pro SP1 Apache 2.0 PHP 4.3.9 php.ini (in Windows dir) ======================== include_path = ".;d:\php4\includes" doc_root = E:\ApacheGroup\Apache2\htdocs extension_dir = "d:/php4/extensions" httpd.conf ========== LoadModule php4_module "d:/php4/php4apache2.dll" AddType application/x-httpd-php .php Problem ======= When I start Apache 2.0 server I get error messages PHP Warning: Unknown(): Unable to load dynamic library 'd:/php4/extensions\\php_xsl.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: Unknown(): Unable to load dynamic library 'd:/php4/extensions\\php_yaz.dll' - The specified module could not be found.\r\n in Unknown on line 0 for all of the PHP modules enabled. I also get this error when running some of the PHP scripts. (BTW, it cannot find the MIB modules either. Docs not clear where to put for Windows install.) I'm new to both Apache and PHP so this has been a struggle. How can I get Apache/PHP setup to find and load these files? Help is GREATLY appreciated. Mike