Blank screen on login and logout!

[resten]

We have installed your board system on our site hxxp:torrenty.org/forum [nonactive]. Most people  reported me "blank screen on login or logout!" Server is working on Linux and Apache

Code Select Expand

Apache/1.3.33 (Unix) mod_auth_passthrough/1.8 mod_log_bytes/1.2 mod_bwlimited/1.4 FrontPage/5.0.2.2635 mod_ssl/2.8.22 OpenSSL/0.9.7a PHP-CGI/0.1b . Please help us. Forum is very unstable now!

[resten]

Thank you very much for support  Today we are going to move our forum to phpBB. Good Bye