right now we are guessing at what you have done .
Its really hard when you post a little bit of info at a time
So it was working and now its not?
stopped working after update?
you using mac addy ?
Now you are saying you got a 4000 update
How do you know its a 4000 update?
Please take your time and post all your info
go to server settings ,hit menu and post version number at bottom