https://www.bleepingcomputer.com/news/microsoft/microsoft-pushes-emergency-update-for-windows-10-xbox-game-pass-bug/

Microsoft has released the KB5004476 emergency out-of-band update for Windows 10 that fixes problems installing or playing an Xbox Game Pass game.

Since 2019, some Windows 10 users have been having issues [1, 2, 3, 4] installing or playing Xbox Game Pass games. When attempting to do so, users would be prompted to install the 'Gaming Services' app from the Microsoft Store, which would fail with a 0x80073D26 or 0x8007139F error, as shown below.