On 26-Jan.-2021 14:01, WaltS48 wrote:
> Are you on Windows 10 using Windows Defender and/or some other AV
> applications?
>
> They may be making the change for you.
>
> I just opened my 84.0.2 on Win10, checked the update pref and it is
> still set to check and ask.
>
> Used Help > About Firefox to download the update.
> Clicked the restart button and I'm still set to check and ask after the
> restart.
It has nothing to do with Win10 Defender or any AV app. The same thing
is happening with Thunderbird. It's a Mozilla idiosyncrasy problem. :-(