what is this all about ?

I noticed i have 3 notices in the log viewer stated that Automatic rootkit scan was not started as it didn’t complete successfully during the last run. what does it mean ?

I means there was a problem with the automatic rootkit scanner, just as it says.

dealing with a newbie here
what does he do about it?
search the FAQs
search the forum
post a log?
is there a clue in your answer?

Check out this link in the forum: http://forum.avast.com/index.php?topic=35452.0