How do I fix this?

[Falkner1992]

Every time I try to start the game, I get this:
 

https://ibb.co/gSwYxxj

 

How do I fix it?

[Vivi]

This xigncode error is typically caused by a missing Windows Update (to windows defender) or Windows defender outright blocking the game from running.

 

Make sure to check for all updates to Windows and to also whitelist the folder/SB client in windows defender as well:

https://support.microsoft.com/en-gb/help/4028485/windows-10-add-an-exclusion-to-windows-security

[uLUVme]

tried that ... didn't work.