Updated to new version on my main PC, client launched correctly.
Updated to new version on my secondary PC, attempted to log in while i was loged in from other PC, they both kept kicking each other from faf constatly spitting out notifications.
closed FAF on my secondary PC and after that i could not start it again
https://pastebin.com/1eQ6ZiB7
Edit: reporting issues with java client 1rst time ( didn't had time for doing reports before), hope i got you correct log file.