Microsoft has discovered that certain Ubisoft games are crashing after users install the Windows 11 24H2 update. Affected games include well-known titles like Assassin’s Creed, Star Wars Outlaws, and Avatar: Frontiers of Pandora.

First reported by Bleeping Computer, Microsoft is now preventing Windows 11's 24H2 update from being sent out to machines that have a selection of recent Ubisoft games installed on them. A number of users have reported persistent, unworkable crashing, sometimes on startup, when trying to play the affected games.

According to a message on the Microsoft support page, users who have installed Windows 11 version 24H2 "might encounter issues with some Ubisoft games". The affected titles are Assassin's Creed Valhalla, Assassin's Creed Origins, Assassin's Creed Odyssey, Avatar: Frontiers of Pandora, and, most notably, Star Wars Outlaws.