Problem Instalation PHP in Apache

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MyComputer use Windows 2000 and use web server apache 1.32
In installation PHP in Apache i put
LoadModule php4_module c:/php/sapi/php4apache.dll
Addmodule mod_php4.c
Addtype application/x-httpd-php .php
in httpd.conf Apache
when apache is start, apache is not running
the error message is :

syntax error in c:/program files/apache Group/apache/conf/httpd.conf
cannot load c:/php/sapi/php4apache.dll into server: (127) the specified procedure could not be found
cannot load c:/php/sapi/php4apache.dll into server: (127) the specified procedure could not be found
add module via name 'mod_php4.c':not in list of loaded module

but if i don't put
Addmodule mod_php4.c
Addtype application/x-httpd-php .php
in httpd.conf
apache server is running

please help me why it can be happen and please give me full documentation about it.