Xampp 1.5.1 and problem

[eth_0]

I have installed XAMPP1.5.1 with PHP4 and have some problem with forum on Invision Power Board v2.1.3 after few minutes of working after starting xampp all pages stops loading and server hangs up (mysql seems working fine)

My page address: http://p2mforum.info

CAN ANYBODY HELP ME????