Okay so i've tried a custom ui (link:
http://www.subsim.com/radioroom/showthread.php?t=181370) and this one (link:
http://www.subsim.com/radioroom/showthread.php?t=166093). They look really awesome but it seems i can't get rid of some additional windows with flags, time lines...
If i click ''go to the game'' or ''ok'' or if i try to close them nothing happens. What am i doing wrong. I didn't have any problems with other mods.