This started for me about a week to 10 days ago but only once every few days. Same type of crash, music and game sounds still play, no way to alt tab to desktop and must user log out to reset client. As of last night its happening every 10-15 minutes no matter what zone im in or how populated my surroundings are. This has made this game unplayable. Im not even contemplating crafting legendaries or putting any real time or money investments into this game if it remains in this ridiculous state. My rig isnt even a month old, i7 8700k 16g 3200 ram gtx 1080ti. Needless to say it not the rig, this build could run 10 instances of gw2 in 4k at high fps. It's the client in my humble uneducated opinion. Ive tried now changing the setting recommended in this thread, putting ssd to 0, quick start off, and the 2 compatibility options mentioned on page 1. Im about to start [laying now so we shall see if those help. Most, but not all of mine occur when I first mount up on raptor or griffin and im mid lunge or flight on first spacebar press. Also the theory of letting it sit will eventually rebound wont work, It happened at tequatl with 9 minutes left, I just let it sit for 10 minutes frozen and reset client and had rewards from the kill when i relogged, so the game has you still in the fight while frozen for at least 10 minutes.