1 of my subaru impreza's will not start i am pretty sure its the immobileser?

as its not flash the light in the dash and i think its down too the fob?

because the central locking is not working of the button but is by the car the problem also is i only got one key and fob with the car its there anyway of disconnecting the immobileser all dash lights are coming on aswell also has a good battery i have never had a problem with the car before always been a great car problem free
Any help would be great
cheeRS
Craig