Can't enter to the Microsoft account

After being updated failed to continue to enter the Microsoft account. So you can't enter the map. Very rarely can enter Microsoft's account, when playing suddenly a lot of chaotic bugs, the city that I built instead becomes a disaster, many mountains with high rectangular shaped, many holes that destroy the city. Don't ask for updates too often if there are no significant changes, even the frequent bugs, errors and others ... are very disappointed with the Minecraft update lately.