> I've got a similar problem. When I initially installed
> the 29 May 2006 update, asteroids displayed O.K. After
> using MPCORB once and then unchecking it, Guide won't
> display any asteroids. I have to check "use MPCORB" to
> see asteroids again.

Yes, it is a problem only with 29 May 2006 update. As I am always saving
prior installations before an update I can run now the old installation
without the MPCORB problem. Every asteroid is visible although "use MPCORB"
is unchecked.

Regards
Gerhard
www.dangl.at