ayuda con el modem de tigo cbc

hola como estan pues he comprado el modem de tigo y no he podido instalar lei el tuto q tienen y no lo he logrado hacerlo funcionar he hecho todo paso a paso .para se mas especifico me sale esto
-desktop:~$ gksu nautilus
Nautilus-Share-Message: Called "net usershare info" but it failed: La «red compartida» devolvió el error 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error No existe el fichero ó directorio
Please ask your system administrator to enable user sharing.

--- Hash table keys for warning below:
--> file:///root

(nautilus:4018): Eel-WARNING **: "nautilus-metafile.c: metafiles" hash table still has 1 element at quit time (keys above)

(nautilus:4018): Eel-WARNING **: "nautilus-directory.c: directories" hash table still has 1 element at quit time
derick@derick-desktop:~$ sudo nautilus
Nautilus-Share-Message: Called "net usershare info" but it failed: La «red compartida» devolvió el error 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error No existe el fichero ó directorio
Please ask your system administrator to enable user sharing.

** (nautilus:4041): WARNING **: Unable to add monitor: Operación no soportada
Nautilus-Share-Message: Called "net usershare info" but it failed: La «red compartida» devolvió el error 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error No existe el fichero ó directorio
Please ask your system administrator to enable user sharing.

sudo /usr/sbin/initmodem.sh

--- Hash table keys for warning below:
--> file:///usr/sbin
--> file:///
--> file:///usr
--> file:///root
--> file:///etc

(nautilus:4041): Eel-WARNING **: "nautilus-metafile.c: metafiles" hash table still has 5 elements at quit time (keys above)

(nautilus:4041): Eel-WARNING **: "nautilus-directory.c: directories" hash table still has 5 elements at quit time
derick@derick-desktop:~$ sudo /usr/sbin/initmodem.sh
[sudo] password for derick:
Sorry, try again.
[sudo] password for derick:
WARNING: All config files need .conf: /etc/modprobe.d/options, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist, it will be ignored in a future release.
FATAL: Error inserting usbserial (/lib/modules/2.6.28-13-generic/kernel/drivers/usb/serial/usbserial.ko): Invalid argument
alguien me puede decir q es eso  por  favor