On: Let's guess what Google requires in 14 days or the...

[lostcolony]

Not to mention background updating. I don't even know when Chrome has updated half the time, unless something stops working.

[brigandish → lostcolony]

If you're on OSX/macOS (what a silly rebrand) then if you look in ~/Library/LaunchAgents (and possibly /Library/LaunchAgents and /Library/LaunchDaemons) for any .plist from Google (or Keystone) in there and add

    <key>Disabled</key><true/>

under the first <dict> and then unload each file, e.g.

    launchctl unload ~/Library/LaunchAgents/com.google.keystone.*

The auto-updating stops and stop them reloading after a reboot/logon.