installing php 5.2.1

Its my first time to install and use php on my computer with IIS 5.1... I used the MSI of php 5.2.1 for intallation but every time i run the <?php> phpinfo(); ?> i always get the following result: CGI Error The specified CGI application misbehaved by not returning a complete set of HTTP headers. The headers it did return are: PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_exif.dll' - The specified module could not be found. in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_oci8.dll' - The specified module could not be found. in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pdo_oci.dll' - The specified module could not be found. in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pdo_oci8.dll' - The specified module could not be found. in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pspell.dll' - The specified module could not be found. in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic librar i installed the php on C:\PHP and the extentions at C:\PHP\ext and set the the php.ini extension_dir = "C:\PHP\ext" i also tried the extension_dir = C:\PHP\ext but still same result... can anyone show me what i've done wrong or if you can, please guide my in the whole process of installing and configuring... thanks Send instant messages to your online friends http://uk.messenger.yahoo.com