A question from friends who know about "Norton Insight Scan"

are there some similar technology in avast! 5 ?
would it help us to speed up windowds if we exclude those kind of files in avast! standard shield? (known clean files)

This was being discussed before…
http://forum.avast.com/index.php?topic=42803.msg357755#msg357755

Ok, Thank you, so you say there are not any file safe in computer to be able to ignore and speed up windows. for example music player or a heavy Game?

No, this is not said there… just that we (users, not programmers) do not know how it will work as a malware could change the file, let some of its characteristics (time and date, etc.) intact and then be ignored.