Hello, I'm Spanish and my English is lower... The installation of GL was very good, and all the configurations, but I have a BIG problem with the access: GeekLog runs good localy, but when I connect to Internet, I received an error: Warning: ...access denied for the user ***@*** (using password: YES) .... Warning: ...cannot access to DB... Can you help me??

Comprueba los path en config.php.
Si no entiendes el significado de todos ellos ve a la nueva sección de documentación (en Installing GL) --------------------------------------------------------
Check path variables in config.php
If you don't understand their exact meaning check Installing GL

Comprueba el usuario y password con el que tienes acceso a tu base de datos. Estos deben coincidir con los que usará GeekLog para acceder (situados en config.php)
Por defecto en MySQL el usuario maestro tiene los siguientes datos:
usuario: "root"
pass:"" (cadena vacía)

¡¡CAMBIA ESTE PASSWORD LO ANTES POSIBLE !!
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check the user and password in your database. they must match with those in config.php
By default they are (in MySQL)
user: "root",
pass: "" (empty string)

CHANGE THIS PASSWORD ASAP !!

ummm... i think your username and password for the database or db is incorrect