[SOLVED] xbian-config doesn't open through XBMC GUI

[aitor]

Software
XBian version: 1.0 (knockout) (Kernel Linux 3.18.8+)
XBMC version: Not shown in information tab of GUI. Installed from latest, at march 6, 2015.
Overclock settings: default
Installed: Couchpotato, Sickbeard, Transmission.
Airplay enabled.

Hardware
RPi model: B 512
SD card size and make/type: 8Gb
Network: Wireless
Connected devices: TV, USB HD.

Problem description:
NOTE: THIS IS A FRESH INSTALLATION FROM SCRATCH
Despite thread subject, this problem involve several symptoms:

1. In a first time, I found XBMC screen hanged with a text log in the screen. After restart this log disappears.
2. After that, I found changed XBMC GUI language (reconfigured and solved).
3. After that, Kodi can't connect to internet with movie scrapper.
4. After that, I try to reconfigure wireless interface, but xbian-config does not opens trough XBMC GUI
5. After that, I try to configure wireless through SSH, succesfully. xian-config opens through SSH (so, is connected to the router and the router has connection to internet).
6. After that, I try to apt-get update with errors: http://cl.ly/image/0z2O0z0o3F3I
7. Install Packages returns a list of packages without lot of them: http://cl.ly/image/0a3b252E0b2V
   

Here is the log with debbug active: http://pastebin.com/Jg7idWQi

In short, XBMC can not connect with internet and can not open xbian-config through GUI