Sometimes, I get this message:
There's something unusual about how you're signing in. To show that it's really you, complete the task below.
This usually happens when attempting to log in from another country, probably also happens when attempting to log in from another browser or device.
I only use my laptop (i.e. no mobile devices).
It offers phone verification (which I decline, as I don't connect my accounts to phone) and it also offers "Try another way to sign in.", which of course fails even if I enter all the correct answers.
I'm not asking how to manage to access your despite this, which is probably usually impossible in relevant cases. I'm asking, once you managed to log in from the "correct" location/browser/device:
How to disable this useless verification?