Toshiba laptop keeps forcing me to restart laptop because of some problem :S

i got a C855D-13N
at first it worked fine but now it keeps telling me to restart because it has some problem.
it shows up on a blue screen with a :( telling me it
BTW it not like it tell me to restart, it just restarts telling me that's what its doing :(
usually after restarting, the internet can not find any wireless connection things therefore I have to restart it again.

this is happening more frequently, what is wrong with it :S
please help me out


thanks in advance for any input :)

ps it kinda hard to say what the exact message says cause
A) it happens randomly
B) the way it goes to 100% is way too quick for me to write it down
sorry :S