Yeah I forgot to mention about being unable to log out as it says "Unable to perfom action while occupied" or something similar, and all the other stuff the previous poster said.
Sadly, same things are happening to me too.
Which server are you from Zander? Did you notice if all these problems occur at a specific time or at any random hour? Also, do you happen to have fastweb as provider (just to check if that is part of the problem or not)?