[Wine] When trying to run Windows games, it logs me off

[link141]

I've installed several Windows 98 games on the Linux end of my computer
using Wine, and I must say I'm impressed that they run on Linux as
opposed to Win XP.  The games install correctly, and the configuration
files for them work as well.  When I try to run the games though, they
begin as expected and get as far as changing the screen resolution when
it logs me off of my OS unexpectedly!  I disabled all hotkey
combinations for logging off, and no change in this odd behavior.
These are games that are said to be very compatible with Wine.  I'm
running Kubuntu Dapper Drake, on standard 32-bit CPU.  Thanks in
advance.