Defence GUI Hangs

Comodo CFP 3.5.57173.439
BOClean 4.27
Win XP X64 SP2
Avast 4.8.1296 AV

When asking what to do for a trapped application event, the CFP GUI sometimes freezes and will not take input. Sometimes it will allow itself to be klled for a logout, and sometimes only for a reboot, and sometimes a power reset is the only solution (OK, I only wait 3 minutes - maybe it would eventually kill).

If there is a specific log you would like I am happy to send it. The logs I checked have nothing obvious.

System Event Viewer - DCOM 10016
The machine-default permission settings do not grant Local Activation permission for the COM Server application with CLSID {555F3418-D99E-4E51-800A-6E89CFD8B1D7} to the user NT AUTHORITY\LOCAL SERVICE SID (S-1-5-19). This security permission can be modified using the Component Services administrative tool.

Application Event Viewer - Gatherer 3083
The protocol handler Search.Mapi2Handler.1 cannot be loaded. Error description: Class not registered


What is a trapped application?