http://techsupport.perfectworld.com/showthread.php?t=10061 -Try turn off User Account Control (UAC) and restart your PC -Temporarily disable Antivirus -Run ipconfig/flushdns in command prompt (admin mode)
Getting some strange lag spike here, too. Never used to lag at all until this patch. When I am logging in, it will disconnect me and I have to try it multiple times to get on.