I recenlty upgrade our SEP from 12.1 RTM to SEP 12.1 RU1 MP1. Some of our Client PC has components malfunction(Sonar, download protection and network intrution prevention). i would like to know why is it happening? what will i do to avoid this to happen again? i am afraid that all upgraded PC might in counter the same situation. Thank you in advance for answering my conserns.