For those having trouble with Dungeon Keeper 2.
Install DK2
Download patch from
ftp://ftp.ea.com/pub/archive/bullfrog/patches/dk2/
(v1.70)
Right click Desktop Icon, Choose Properties.
Compatibility, set to Windows XP SP2 mode
Check Disable visual themes and desktop composition
Click OK
Run Game.
Worked for me, hope it works for you,
A.