locked call/sms

Comodo mobile software will not let me lock calls sms wen i go into that area in the soft waere i only lets me see a blank list of locked sms/calls it does not give any option to add items to the list meaning thw is nothing to select to do this can somone tellme if this is just my phone ir if is the comodo mobile software
Note phone is a Motorola DROID bionic with android 4.0.1 and all comodo siftware and anti viris are up to date
If the problem is with the software please fix