How can i fix my head lights vauxhall corsa P reg?

my car cut out when starting it... dont no if this is part of the problem.

i took out the bulbs and seem fine, but when the bulb is not in the headlight housing (the main headlight postion) it works. As soon as i put it in or some times after turning the lights on and off they dont work........

can ne 1 help????

pereira, September 2009