Tokeiito

1 Step: Download, optimizer from: http://www.zend.com/store/products/zend-optimizer.php 2 Step: Install it: Select Apache 2.x in the Web Server Options php.ini's destination folder should be W:\usr\local\php\ Root folder should be W:\usr\local\apache2 Document Root is W:\www\ 3 Step: Edit php.ini in W:\usr\local\php At the end of file there is lines: [Zend] zend_extension_manager.optimizer_ts="C:\Program Files\Zend\ZendOptimizer-x.x.x\lib\Optimizer-x.x.x" zend_extension_ts="C:\Program Files\Zend\ZendOptimizer-x.x.x\lib\ZendExtensionManager.dll" change it to: [Zend] zend_extension_manager.optimizer_ts="/usr/local/zendoptimizer/lib/Optimizer-x.x.x" zend_extension_ts="/usr/local/zendoptimizer/lib/ZendExtensionManager.dll" 4 Step: Create dir zendoptimizer in W:\usr\local. Copy evrything from C:\Program Files\Zend\ZendOptimizer-x.x.x to it. Thats it. It working for me

Root folder should be W:\usr\local\apache2 becouse u get error: cant find httpd.conf.

PHP4 plugin. not downgrade, but plugin that u can swich betwen PHP4 and PHP5. and it will be nice ti get RTFMP: how update Uniform server PHP, Apache and MySQL on new releases.