Lines through screen!
 

So annoying this is. It was fixed, i updated my card drivers to the newest cause i havent done it for a while and needed it for another game i play. and now i log back in and they are there again. Id rather not roll back my drivers. Problem is Like invisible lines horizontally down the screen, for example u have a chat window open with text on it and u drag it up and down u can see it cut into the words. Any ideas?

ps: only in windowed mode

Sounds like a native resolution issue. You can probably use the /chatfontsize <number> command to adjust the font size while in windowed mode so it isn't so ugly.