I have fixed white page, and now I only 2 problems:
1) when I logout I get error (I think, hash md5,hashlogout,.... have problem), for every time refresh page, I get another error
2) Image verify when user register not show correct
I used windows server not UNIX
You can try login at:
http://buonchuyen.vn/forum
user: check111
pass: 123456
After Logout this user you get error bellow, or some thing other error same
Images bellow