Download all files in the root folder. Opened the site to the main link, nothing happens .. Help please, very modern and a good forum engine (google translation)

Host configuration:
CPU: 2 x Intel(R) Xeon(R);
RAM: 16384 MB;
HDD: 2x2000 GB SATA RAID-1 + 1x2000 GB Backup.
Cloud Linux 6.3
Apache 2.2
PHP 5.3
Perl 5.8.8
MySQL 5.5.30
PostgreSQL 8.1.15
Apache Tomcat 5.5
JDK 1.5