Cannot install PHP APC on Windows, Apache

Question

i cant seem to install PHP APC on my windows 7 x64, apache, php 5.3.2 x86 VC9. have downloaded the approperiate file from http://downloads.php.net/pierre/

added to my php.ini

[PHP_APC]
extension=php_apc.dll

[APC]
apc.enabled = 1
apc.shm_segments = 1
apc.shm_size = 64
apc.max_file_size = 10M
apc.stat=1

as i learnt from http://forums.zend.com/viewtopic.php?f=63&p=24098#p24098

still failed with

Answer 1

i finally managed to install apc with the help from here. i installed on IIS7

added to end of php.ini

[PHP_APC]
extension=php_apc.dll

apc.shm_segments=1
apc.optimization=0
apc.shm_size=128
apc.ttl=7200
apc.user_ttl=7200
apc.num_files_hint=1024
apc.mmap_file_mask=/tmp/apc.XXXXXX
apc.enable_cli=1

tho i got no idea what the configuration does