So I updated my game to the new 1.5.7 version and i wanted to play some multiplayer but when i tried to connect to the open conflict server or any with integrity check it fails, I do have barthek texture pack installed, I uninstalled it but same thing.
When I click on the red shield
https://gyazo.com/a30187226d09976ef5ebd30212d1df95
Can anyone help Thanks