Step 1
Browse to the following directories...
Steam Users
C:\Program Files\Steam\steamapps\common\football manager 2010\data\db\1000\lnc\all\
C:\Program Files\Steam\steamapps\common\football manager 2010\data\updates\update-1020\db\1020\lnc\all\
C:\Program Files\Steam\steamapps\common\football manager 2010\data\updates\update-1030\db\1020\lnc\all\
Non-Steam Users
C:\Program Files\Sports Interactive\Football Manager 2010\data\db\1000\lnc\all\
C:\Program Files\Sports Interactive\Football Manager 2010\data\updates\update 1020\db\1020\lnc\all\
C:\Program Files\Sports Interactive\Football Manager 2010\data\updates\update 1030\db\1020\lnc\all\
Step 2
Look for the files Fake.lnc and nleague.lnc. Delete them.
Fake.lnc - This file is the one that disables the German national team and player faces for France & Holland national teams.
nleague.lnc - This file gives fake names to many Japanese teams and also disables the South Korean, Chinese & Japanese national teams.
Done
You will need to START A NEW GAME for changes to take effect.