I m not playing classic mode and i have been having the same problems ... as soon as i entered cave ult the client closed itself and 3 times i have been playing caves for a while the game disconnects. I tell you this because i got a very good conection and its so rare a get dc that its for me impossible it has to do with my ISP.
i have been disconected off the server only 5 times and i have been playing for 2 years now .. so counting this 3 disconections 8 in total.... weird and strange. help me please