Why exactly are you “sorry”, and why not “exactly” true, when in fact Eddy has no clue what he is talking about.?
Hi, BOB, did you try to run the boot scan definitions and did it finish in the same session.? There is no reply in this regard from you. If you say, that it is finishing on the session, then it is my computer, which has some issues
If you’re really interested in scanning your system outside of the operating system,
look at the following: https://forum.avast.com/index.php?topic=204460.msg1403266#msg1403266
This doesn’t require updating since everything is up to date as of creation of the media.