Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
We can log in to Live, and other Microsoft services, including the Games store. just not the solitaire game itself. In fact, I had been logged into it prior to a WIN11 update earlier yesterday, then after a reboot for the update, couldn't. On the same day, only hours later. Same error code. Those solutions didn't work.
I had to uninstall and reinstall the game from the link above.