[Koha] Koha error 2.2.8

hi, I try to newand try to install koha 2.2.8 on my system windows 7 32 bit with 1.Apache http server 2.2 at location @ C>Program files>Apache Software Foundation>Apache2.2 2.Active Pearl 5.20 at location c:/usr 3. MySql 4.1 4.koha 2.2.8 i successfully installed the koha installation with error state that koha is tested on 5.8.8.x.x still i continue the installation process successfully without any error. when i try to access the url for koha it gives an error 500 internal server error. i checked the log files in apache log ataching them. please help!!! thanks