check my avast log viewer

4/15/2009 6:41:44 AM SYSTEM 1404 Automatic rootkit scan was not started as it didn’t complete successfully during the last run.

I found this on avast log viewer in notice tab. What is this? Is there a problem about my avast installed?

Check out this topic: http://forum.avast.com/index.php?;topic=36472.0