system
10
I am fully aware of all that and practice it religiously, as my original post indicated. And as AdrianH says, this is not an installation, but a (should be) routine update.
I have an aging Vista machine (overdue for replacement) and I load quite a bit at startup. Reboots can take up to five minutes. Yes, I know it’s my choice, but that doesn’t alter the fact that Avast’s behaviour in this instance is unconscionable