Disconnections are because of lag. This mean that yours network is not stable enough to handle with downloading huge portion of informations. Its easy to see when you are playing in pine forest. A lot of players so yours network have to download to yours game client informations like: possition of every player, his outfit, possiotion of his pet and what kind of pet it is. Then names of them, nicks, guild, tents etc etc. Always when im on random encounter spot lie this im disabling these options and you know what? Game stars to run smoothly without lags
Its easy just click on System [1]
Then on Charcter informations [2]
And uncheck all things on list [3]