thanks for the comment )
the domestic advisor icon and F1 still work when im do not use BUG
install exe file. downloaded from
https://sourceforge.net/projects/civ4bug/ 3.3 megabyte file
I use Windows.
also downloaded the archive. posted it and did everything according to the instructions
2.1. AS A MOD
To install BUG as a mod so that you must load it to play, place the folder that contains this README file into your BTS's Mods folder.
C:\Program Files
Sid Meier's Civilization 4
Beyond the Sword
Mods
BUG Mod x.x
Readme.txt
have to use BULL. there is no such problem. but the content is much less