Rust Launcher Error

[IMG]http://images.vfl.ru/ii/1460476575/7cfb6e1a/12260815_m.png[/IMG]
When I try to play Rust, i see this error.
I’ve already checked the cash games
I reinstalled the game
I reinstalled Anita-cheat
nothing helps

Your Windows is most likely not up-to-date as it’s unable to validate the EAC code signing certificate.

Please use Windows Update to install all pending updates and then restart for changes to take effect.

It’s not helped