Usually that "MOM" error is associated with the Catalyst Control Center launching at startup.
You can try unchecking it from the Task Manager -> Startup Tab
OR
You might check the version you have installed (driver package and associated software) for your GPU and see if there is a more current version.
IF so then maybe download DDU from here
http://www.wagnardmobile.com/forums/viewtopic.php?f=5&t=183&sid=4806ab8ad62942997d71ac2b22a07e04
Reboot your computer into Safe Mode and run it and then reboot and install the updated driver / software package.
As far as the loudness when you start it up in the morning....
I think, we would need some more details about the exact, Manufacturer Name, Model Name, Model Number, etc., etc. before we could even make a wild guess.