WordPress installer Error 500

[ceco91]

I receive Error 500 everytime I try to install it. Also I receive Error 500 when I use a preinstalled and configured WebPress.
System setting in my signiture.

[kilburn]

logs?

[ceco91]

Strange. Linux user is vu2014. Dir Info:

Code:

[root@hosting-zone ceco91.com]# ls -al
total 512
drwxrwx--- 11 vu2014 apache   4096 Apr  6 09:46 .
drwxr-xr-x 33 vu2000 apache   4096 Apr  6 00:35 ..
drwxrwx---  2 vu2014 vu2014   4096 Apr  6 00:13 backups
-rw-r--r--  1 vu2011 vu2011     33 Jan 30 10:44 .bash_logout
-rw-r--r--  1 vu2011 vu2011    176 Jan 30 10:44 .bash_profile
-rw-r--r--  1 vu2011 vu2011    124 Jan 30 10:44 .bashrc
-rw-r--r--  1 vu2014 vu2014 448348 Apr  6 09:46 bglaf_ceco91.sql
drwxr-xr-x  2 vu2014 vu2014   4096 Jan 30 10:44 cgi-bin
drwxr-xr-x  2 vu2014 vu2014   4096 Apr  2 09:56 documents
drwxrwxr-x  3 vu2014 vu2014   4096 Jan 30 10:44 errors
-rw-------  1 vu2011 vu2011      9 Jan 31 00:00 .ftpquota
drwxrwxr-x  6 vu2014 vu2014   4096 Apr  6 09:52 htdocs
-rw-r--r--  1 root   root       23 Jan 31 18:38 .htgroup
-rw-r--r--  1 root   root       47 Jan 31 18:38 .htpasswd
drwxrwx---  2 vu2014 vu2014   4096 Feb  1 00:00 logs
drwxrwxrwx  2 vu2014 vu2014   4096 Feb  1 20:13 other-sites
drwxrwx---  2 vu2014 vu2014   4096 Jan 30 10:44 phptmp
drwxr-xr-x  5 vu2014 vu2014   4096 Feb  1 20:15 test

There is executed "chown vu2014:vu2014 * -R".