This is your resource to discuss support topics with your peers, and learn from each other.
i have this message on my BB curve 9300 :
net_rim_bb_pieshone_app(911) not responding process,
Have you tried a battery pull? With the phone switched on, remove the battery, wait 30 seconds, reinsert it and wait for the phone to reboot. See if that cures it.
Which OS you're on?