Affects Version/s: 1.0
Fix Version/s: None
You landed on this page because the game detected an error to start the game.
We are currently investigating the exact causes of this issue.
So far we can determine that the issue seems to be related to the Steam overlay.
If you ended up on this page and want to help us determine the exact cause and resolve the issue, please send a mail to firstname.lastname@example.org with the Subject: "X4-355 - Steamoverlay startup issue (type 3)" and include the dxdiag and vulkaninfo (see this page on how to create these details) in the mail.
If the game doesn't start at all, you can try to disable the Steam overlay by right-clicking X4: Foundations in Steam, selecting Properties and the disable the setting: "Enable the Steam Overlay while in-game" as shown in the following screenshot:
If this solves the problem, please leave a comment here (or inform us by mail).