Event Viewer problems

On using eventvwr.msc the following errors arose, can anyone please tell me
how to fix them.

DCOM got error "The service cannot be started, either because it is disabled
or because it has no enabled devices associated with it. " attempting to
start the service MDM with arguments "" in order to run the server:


The following boot-start or system-start driver(s) failed to load:


The Automatic LiveUpdate Scheduler service failed to start due to the
following error:

The system cannot find the file specified.

Thanks in advance