me sale 500 Internal server error

[gobodeath]

Hola, apenas y me dieron espacio en un servidor web, tiene apache, la verdad soy un poco novato en esto, los directorios del servidor son los siguientes

(/home/mysitioweb)
access-logs
etc
mail
public_ftp
public_html
tmp
www

Lo que hize fue borrar todo lo que había en el public_html y subí el cms drupal fresco para empezar a instalarlo pero me sale este mensaje cuando intento entrar

Código HTML:

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, [email protected] and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

Luego pensé que era por los permisos de los archivos, y lo cambié todo a 777, pero no sirvió de nada. No se que hacer, ayúdenme porfavor.

Este es el registro de errores del apache, pero no sé que sucede =S

Código HTML:

[Sun Sep 29 13:33:53 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/404.shtml
[Sun Sep 29 13:33:53 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/favicon.ico
[Sun Sep 29 13:33:52 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/500.shtml
[Sun Sep 29 13:33:52 2013] [error] [client 190.69.113.150] SoftException in Application.cpp:256: File "/home/grupolly/public_html/index.php" is writeable by group
[Sun Sep 29 13:22:09 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/500.shtml
[Sun Sep 29 13:22:09 2013] [error] [client 190.69.113.150] SoftException in Application.cpp:256: File "/home/grupolly/public_html/index.php" is writeable by group
[Sun Sep 29 13:22:05 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/500.shtml
[Sun Sep 29 13:22:05 2013] [error] [client 190.69.113.150] SoftException in Application.cpp:256: File "/home/grupolly/public_html/index.php" is writeable by group
[Sun Sep 29 13:04:06 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/500.shtml
[Sun Sep 29 13:04:06 2013] [error] [client 190.69.113.150] SoftException in Application.cpp:256: File "/home/grupolly/public_html/index.php" is writeable by group
[Sun Sep 29 13:00:43 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/404.shtml
[Sun Sep 29 13:00:43 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/favicon.ico
[Sun Sep 29 13:00:42 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/500.shtml
[Sun Sep 29 13:00:42 2013] [error] [client 190.69.113.150] SoftException in Application.cpp:256: File "/home/grupolly/public_html/index.php" is writeable by group
[Sun Sep 29 12:40:48 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/404.shtml
[Sun Sep 29 12:40:48 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/favicon.ico
[Sun Sep 29 12:40:48 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/404.shtml
[Sun Sep 29 12:40:48 2013] [error] [client 190.69.113.150] File does not exist: /home/grupolly/public_html/favicon.ico

Porfavor ayúdenme. De antemano muchas gracias

[oso96_2000]

Por el mensaje que dice "[Sun Sep 29 13:22:05 2013] [error] [client 190.69.113.150] SoftException in Application.cpp:256: File "/home/grupolly/public_html/index.php" is writeable by group", el problema parecen ser los permisos. Sin embargo, no se trata de poner permisos a lo loco :P

Comunmente los archivos necesitan un permiso 644 y los directorios 755. Tienes acceso a la terminal? Ponte en la raiz de tu proyecto y estos comandos te ayudaran:

Código BASH:

find . -type d -exec chmod 0755 {} \;
find . -type f -exec chmod 0644 {} \;
 

Saludos!