Avast Secure Brwowser Displays "Status_Access_Violation" and close Websites

Today suddenly Avast Secure Browser close every websites and displays “Status_Access_Violation”. What’s the matter? What can i do? I have delete the chache, cookis, ect. all without any effect. the websites closed by Secure browser and displays “Status_access_violation”

https://forum.avast.com/index.php?board=78.0