In avast! 5, no, you don't benefit anything. Behavior Shield is now responsible for the feature that was useful in Internet Mail (in avast! 4.. uTorrent is known to cause problems with avast! in some situations due to nature of how it works. You can try enabling it and if you don't encounter any problems, keep it enabled. I've never even noticed this until now. It's meant as "Updating" in general. Maybe "Update Center" would sound better... This is only debug log. It will not be created there in final version of avast! 5.