Have the same problems lately. Game randomly crashes after a period of time. Also cannot make new characters on my account...game will crash upon selecting a name.
I have the same issue. Last week up till yesterday there were no problems whatsoever. Come today, less than a minute in, the screen just closes and in an instant I'm at my desktop again with the error 0008:0000. I have no problems with my internet connection since everything else outside of tera is running (browser & torrents)
It's just pretty weird how it's only happening now. The game is unplayable as it is now for me.
Please try running a repair on your client from the TERA launcher.
Tools > Repair game install
Same problem, for a week i crashes as every 40 second after entering game. Repair tool not helpful, problems with internet connection is also not found.