All of your installers are missing
http://www.php.net/get/php-5.0.0-installer.exe/from/a/mirror
Download not found
The file you requested (php-5.0.0-installer.exe) is not found on this server (http://www.php.net/). If this file is a recent addition to our downloads, then it is possible that this particular server is not yet updated to host that file for download. Please come back to this server later, or start the download from another mirror site.
Some mirror sites have problems with the executable files. Until then you can use il.php.net for example, to download the installer:
http://il.php.net/downloads.php
Regards,
Gabor Hojtsy