DCOM (Distributed Component Object Model) is a set of Microsoft concepts and program interfaces in which client program object s can request services from server program objects on other computers in a network. DCOM is based on the Component Object Model (COM), which provides a set of interfaces allowing clients and servers to communicate within the same computer (that is running Windows 95 or a later version)
Are you running any servers?
Tempoarily set DCOM to manual and reboot to normal mode. Let us know what happens. We need to find out if this is truly the culprit.
Safe mode is minimal drivers and programs. The fact that you can start in safe mode indicates a start up of a driver or program.